64273540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 141120000

約数和(自身を除く): 76846460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1249, 1660, 2498, 2573, 4996, 5146, 6245, 10292, 12490, 12865, 24980, 25730, 38719, 51460, 77438, 103667, 154876, 193595, 207334, 387190, 414668, 518335, 774380, 1036670, 2073340, 3213677, 6427354, 12854708, 16068385, 32136770, 64273540]

約数ペア:

[(1, 64273540), (2, 32136770), (4, 16068385), (5, 12854708), (10, 6427354), (20, 3213677), (31, 2073340), (62, 1036670), (83, 774380), (124, 518335), (155, 414668), (166, 387190), (310, 207334), (332, 193595), (415, 154876), (620, 103667), (830, 77438), (1249, 51460), (1660, 38719), (2498, 25730), (2573, 24980), (4996, 12865), (5146, 12490), (6245, 10292)]