51443860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{821}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 116967312

約数和(自身を除く): 65523452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 821, 964, 1205, 1642, 2410, 3133, 3284, 4105, 4820, 6266, 8210, 10673, 12532, 15665, 16420, 21346, 31330, 42692, 53365, 62660, 106730, 197861, 213460, 395722, 791444, 989305, 1978610, 2572193, 3957220, 5144386, 10288772, 12860965, 25721930, 51443860]

約数ペア:

[(1, 51443860), (2, 25721930), (4, 12860965), (5, 10288772), (10, 5144386), (13, 3957220), (20, 2572193), (26, 1978610), (52, 989305), (65, 791444), (130, 395722), (241, 213460), (260, 197861), (482, 106730), (821, 62660), (964, 53365), (1205, 42692), (1642, 31330), (2410, 21346), (3133, 16420), (3284, 15665), (4105, 12532), (4820, 10673), (6266, 8210)]