25155280280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{68813}}^1$

素因数の和:68893

約数の個数: 128

約数和(自身を含む): 65896286400

約数和(自身を除く): 40741006120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 37, 38, 40, 52, 65, 74, 76, 95, 104, 130, 148, 152, 185, 190, 247, 260, 296, 370, 380, 481, 494, 520, 703, 740, 760, 962, 988, 1235, 1406, 1480, 1924, 1976, 2405, 2470, 2812, 3515, 3848, 4810, 4940, 5624, 7030, 9139, 9620, 9880, 14060, 18278, 19240, 28120, 36556, 45695, 68813, 73112, 91390, 137626, 182780, 275252, 344065, 365560, 550504, 688130, 894569, 1307447, 1376260, 1789138, 2546081, 2614894, 2752520, 3578276, 4472845, 5092162, 5229788, 6537235, 7156552, 8945690, 10184324, 10459576, 12730405, 13074470, 16996811, 17891380, 20368648, 25460810, 26148940, 33099053, 33993622, 35782760, 48375539, 50921620, 52297880, 66198106, 67987244, 84984055, 96751078, 101843240, 132396212, 135974488, 165495265, 169968110, 193502156, 241877695, 264792424, 330990530, 339936220, 387004312, 483755390, 628882007, 661981060, 679872440, 967510780, 1257764014, 1323962120, 1935021560, 2515528028, 3144410035, 5031056056, 6288820070, 12577640140, 25155280280]

約数ペア:

[(1, 25155280280), (2, 12577640140), (4, 6288820070), (5, 5031056056), (8, 3144410035), (10, 2515528028), (13, 1935021560), (19, 1323962120), (20, 1257764014), (26, 967510780), (37, 679872440), (38, 661981060), (40, 628882007), (52, 483755390), (65, 387004312), (74, 339936220), (76, 330990530), (95, 264792424), (104, 241877695), (130, 193502156), (148, 169968110), (152, 165495265), (185, 135974488), (190, 132396212), (247, 101843240), (260, 96751078), (296, 84984055), (370, 67987244), (380, 66198106), (481, 52297880), (494, 50921620), (520, 48375539), (703, 35782760), (740, 33993622), (760, 33099053), (962, 26148940), (988, 25460810), (1235, 20368648), (1406, 17891380), (1480, 16996811), (1924, 13074470), (1976, 12730405), (2405, 10459576), (2470, 10184324), (2812, 8945690), (3515, 7156552), (3848, 6537235), (4810, 5229788), (4940, 5092162), (5624, 4472845), (7030, 3578276), (9139, 2752520), (9620, 2614894), (9880, 2546081), (14060, 1789138), (18278, 1376260), (19240, 1307447), (28120, 894569), (36556, 688130), (45695, 550504), (68813, 365560), (73112, 344065), (91390, 275252), (137626, 182780)]