80170340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 174956544

約数和(自身を除く): 94786204

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 620, 677, 764, 955, 1354, 1910, 2708, 3385, 3820, 5921, 6770, 11842, 13540, 20987, 23684, 29605, 41974, 59210, 83948, 104935, 118420, 129307, 209870, 258614, 419740, 517228, 646535, 1293070, 2586140, 4008517, 8017034, 16034068, 20042585, 40085170, 80170340]

約数ペア:

[(1, 80170340), (2, 40085170), (4, 20042585), (5, 16034068), (10, 8017034), (20, 4008517), (31, 2586140), (62, 1293070), (124, 646535), (155, 517228), (191, 419740), (310, 258614), (382, 209870), (620, 129307), (677, 118420), (764, 104935), (955, 83948), (1354, 59210), (1910, 41974), (2708, 29605), (3385, 23684), (3820, 20987), (5921, 13540), (6770, 11842)]