25127440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 64714608

約数和(自身を除く): 39587168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 653, 740, 962, 1040, 1306, 1480, 1924, 2405, 2612, 2960, 3265, 3848, 4810, 5224, 6530, 7696, 8489, 9620, 10448, 13060, 16978, 19240, 24161, 26120, 33956, 38480, 42445, 48322, 52240, 67912, 84890, 96644, 120805, 135824, 169780, 193288, 241610, 314093, 339560, 386576, 483220, 628186, 679120, 966440, 1256372, 1570465, 1932880, 2512744, 3140930, 5025488, 6281860, 12563720, 25127440]

約数ペア:

[(1, 25127440), (2, 12563720), (4, 6281860), (5, 5025488), (8, 3140930), (10, 2512744), (13, 1932880), (16, 1570465), (20, 1256372), (26, 966440), (37, 679120), (40, 628186), (52, 483220), (65, 386576), (74, 339560), (80, 314093), (104, 241610), (130, 193288), (148, 169780), (185, 135824), (208, 120805), (260, 96644), (296, 84890), (370, 67912), (481, 52240), (520, 48322), (592, 42445), (653, 38480), (740, 33956), (962, 26120), (1040, 24161), (1306, 19240), (1480, 16978), (1924, 13060), (2405, 10448), (2612, 9620), (2960, 8489), (3265, 7696), (3848, 6530), (4810, 5224)]