68316820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23887}}^1$

素因数の和:23920

約数の個数: 48

約数和(自身を含む): 168553728

約数和(自身を除く): 100236908

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 23887, 47774, 95548, 119435, 238870, 262757, 310531, 477740, 525514, 621062, 1051028, 1242124, 1313785, 1552655, 2627570, 3105310, 3415841, 5255140, 6210620, 6831682, 13663364, 17079205, 34158410, 68316820]

約数ペア:

[(1, 68316820), (2, 34158410), (4, 17079205), (5, 13663364), (10, 6831682), (11, 6210620), (13, 5255140), (20, 3415841), (22, 3105310), (26, 2627570), (44, 1552655), (52, 1313785), (55, 1242124), (65, 1051028), (110, 621062), (130, 525514), (143, 477740), (220, 310531), (260, 262757), (286, 238870), (572, 119435), (715, 95548), (1430, 47774), (2860, 23887)]