25515160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 63348480

約数和(自身を除く): 37833320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 563, 824, 1030, 1126, 1133, 2060, 2252, 2266, 2815, 4120, 4504, 4532, 5630, 5665, 6193, 9064, 11260, 11330, 12386, 22520, 22660, 24772, 30965, 45320, 49544, 57989, 61930, 115978, 123860, 231956, 247720, 289945, 463912, 579890, 637879, 1159780, 1275758, 2319560, 2551516, 3189395, 5103032, 6378790, 12757580, 25515160]

約数ペア:

[(1, 25515160), (2, 12757580), (4, 6378790), (5, 5103032), (8, 3189395), (10, 2551516), (11, 2319560), (20, 1275758), (22, 1159780), (40, 637879), (44, 579890), (55, 463912), (88, 289945), (103, 247720), (110, 231956), (206, 123860), (220, 115978), (412, 61930), (440, 57989), (515, 49544), (563, 45320), (824, 30965), (1030, 24772), (1126, 22660), (1133, 22520), (2060, 12386), (2252, 11330), (2266, 11260), (2815, 9064), (4120, 6193), (4504, 5665), (4532, 5630)]