26122720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 96

約数和(自身を含む): 70066080

約数和(自身を除く): 43943360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 661, 760, 988, 1040, 1235, 1322, 1520, 1976, 2080, 2470, 2644, 3040, 3305, 3952, 4940, 5288, 6610, 7904, 8593, 9880, 10576, 12559, 13220, 17186, 19760, 21152, 25118, 26440, 34372, 39520, 42965, 50236, 52880, 62795, 68744, 85930, 100472, 105760, 125590, 137488, 163267, 171860, 200944, 251180, 274976, 326534, 343720, 401888, 502360, 653068, 687440, 816335, 1004720, 1306136, 1374880, 1632670, 2009440, 2612272, 3265340, 5224544, 6530680, 13061360, 26122720]

約数ペア:

[(1, 26122720), (2, 13061360), (4, 6530680), (5, 5224544), (8, 3265340), (10, 2612272), (13, 2009440), (16, 1632670), (19, 1374880), (20, 1306136), (26, 1004720), (32, 816335), (38, 687440), (40, 653068), (52, 502360), (65, 401888), (76, 343720), (80, 326534), (95, 274976), (104, 251180), (130, 200944), (152, 171860), (160, 163267), (190, 137488), (208, 125590), (247, 105760), (260, 100472), (304, 85930), (380, 68744), (416, 62795), (494, 52880), (520, 50236), (608, 42965), (661, 39520), (760, 34372), (988, 26440), (1040, 25118), (1235, 21152), (1322, 19760), (1520, 17186), (1976, 13220), (2080, 12559), (2470, 10576), (2644, 9880), (3040, 8593), (3305, 7904), (3952, 6610), (4940, 5288)]