31503860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1873}}^1$

素因数の和:1940

約数の個数: 36

約数和(自身を含む): 68554668

約数和(自身を除く): 37050808

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 1873, 3364, 3746, 4205, 7492, 8410, 9365, 16820, 18730, 37460, 54317, 108634, 217268, 271585, 543170, 1086340, 1575193, 3150386, 6300772, 7875965, 15751930, 31503860]

約数ペア:

[(1, 31503860), (2, 15751930), (4, 7875965), (5, 6300772), (10, 3150386), (20, 1575193), (29, 1086340), (58, 543170), (116, 271585), (145, 217268), (290, 108634), (580, 54317), (841, 37460), (1682, 18730), (1873, 16820), (3364, 9365), (3746, 8410), (4205, 7492)]