66683360

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1019}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 158079600

約数和(自身を除く): 91396240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1019, 1636, 2038, 2045, 3272, 4076, 4090, 5095, 6544, 8152, 8180, 10190, 13088, 16304, 16360, 20380, 32608, 32720, 40760, 65440, 81520, 163040, 416771, 833542, 1667084, 2083855, 3334168, 4167710, 6668336, 8335420, 13336672, 16670840, 33341680, 66683360]

約数ペア:

[(1, 66683360), (2, 33341680), (4, 16670840), (5, 13336672), (8, 8335420), (10, 6668336), (16, 4167710), (20, 3334168), (32, 2083855), (40, 1667084), (80, 833542), (160, 416771), (409, 163040), (818, 81520), (1019, 65440), (1636, 40760), (2038, 32720), (2045, 32608), (3272, 20380), (4076, 16360), (4090, 16304), (5095, 13088), (6544, 10190), (8152, 8180)]