25243660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 57859200

約数和(自身を除く): 32615540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1229, 1580, 2054, 2458, 4108, 4916, 5135, 6145, 10270, 12290, 15977, 20540, 24580, 31954, 63908, 79885, 97091, 159770, 194182, 319540, 388364, 485455, 970910, 1262183, 1941820, 2524366, 5048732, 6310915, 12621830, 25243660]

約数ペア:

[(1, 25243660), (2, 12621830), (4, 6310915), (5, 5048732), (10, 2524366), (13, 1941820), (20, 1262183), (26, 970910), (52, 485455), (65, 388364), (79, 319540), (130, 194182), (158, 159770), (260, 97091), (316, 79885), (395, 63908), (790, 31954), (1027, 24580), (1229, 20540), (1580, 15977), (2054, 12290), (2458, 10270), (4108, 6145), (4916, 5135)]