12844840

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1013}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 29020680

約数和(自身を除く): 16175840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1013, 1268, 1585, 2026, 2536, 3170, 4052, 5065, 6340, 8104, 10130, 12680, 20260, 40520, 321121, 642242, 1284484, 1605605, 2568968, 3211210, 6422420, 12844840]

約数ペア:

[(1, 12844840), (2, 6422420), (4, 3211210), (5, 2568968), (8, 1605605), (10, 1284484), (20, 642242), (40, 321121), (317, 40520), (634, 20260), (1013, 12680), (1268, 10130), (1585, 8104), (2026, 6340), (2536, 5065), (3170, 4052)]