25494040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4492

約数の個数: 64

約数和(自身を含む): 67404960

約数和(自身を除く): 41910920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 4457, 5720, 8914, 17828, 22285, 35656, 44570, 49027, 57941, 89140, 98054, 115882, 178280, 196108, 231764, 245135, 289705, 392216, 463528, 490270, 579410, 637351, 980540, 1158820, 1274702, 1961080, 2317640, 2549404, 3186755, 5098808, 6373510, 12747020, 25494040]

約数ペア:

[(1, 25494040), (2, 12747020), (4, 6373510), (5, 5098808), (8, 3186755), (10, 2549404), (11, 2317640), (13, 1961080), (20, 1274702), (22, 1158820), (26, 980540), (40, 637351), (44, 579410), (52, 490270), (55, 463528), (65, 392216), (88, 289705), (104, 245135), (110, 231764), (130, 196108), (143, 178280), (220, 115882), (260, 98054), (286, 89140), (440, 57941), (520, 49027), (572, 44570), (715, 35656), (1144, 22285), (1430, 17828), (2860, 8914), (4457, 5720)]