101308640

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1579}}^1$

素因数の和:1995

約数の個数: 48

約数和(自身を含む): 240090480

約数和(自身を除く): 138781840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 802, 1579, 1604, 2005, 3158, 3208, 4010, 6316, 6416, 7895, 8020, 12632, 12832, 15790, 16040, 25264, 31580, 32080, 50528, 63160, 64160, 126320, 252640, 633179, 1266358, 2532716, 3165895, 5065432, 6331790, 10130864, 12663580, 20261728, 25327160, 50654320, 101308640]

約数ペア:

[(1, 101308640), (2, 50654320), (4, 25327160), (5, 20261728), (8, 12663580), (10, 10130864), (16, 6331790), (20, 5065432), (32, 3165895), (40, 2532716), (80, 1266358), (160, 633179), (401, 252640), (802, 126320), (1579, 64160), (1604, 63160), (2005, 50528), (3158, 32080), (3208, 31580), (4010, 25264), (6316, 16040), (6416, 15790), (7895, 12832), (8020, 12632)]