25037740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13757}}^1$

素因数の和:13786

約数の個数: 48

約数和(自身を含む): 64717632

約数和(自身を除く): 39679892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 13757, 27514, 55028, 68785, 96299, 137570, 178841, 192598, 275140, 357682, 385196, 481495, 715364, 894205, 962990, 1251887, 1788410, 1925980, 2503774, 3576820, 5007548, 6259435, 12518870, 25037740]

約数ペア:

[(1, 25037740), (2, 12518870), (4, 6259435), (5, 5007548), (7, 3576820), (10, 2503774), (13, 1925980), (14, 1788410), (20, 1251887), (26, 962990), (28, 894205), (35, 715364), (52, 481495), (65, 385196), (70, 357682), (91, 275140), (130, 192598), (140, 178841), (182, 137570), (260, 96299), (364, 68785), (455, 55028), (910, 27514), (1820, 13757)]