66568760

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1693}}^1$

素因数の和:2687

約数の個数: 32

約数和(自身を含む): 150020640

約数和(自身を除く): 83451880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1693, 1966, 3386, 3932, 4915, 6772, 7864, 8465, 9830, 13544, 16930, 19660, 33860, 39320, 67720, 1664219, 3328438, 6656876, 8321095, 13313752, 16642190, 33284380, 66568760]

約数ペア:

[(1, 66568760), (2, 33284380), (4, 16642190), (5, 13313752), (8, 8321095), (10, 6656876), (20, 3328438), (40, 1664219), (983, 67720), (1693, 39320), (1966, 33860), (3386, 19660), (3932, 16930), (4915, 13544), (6772, 9830), (7864, 8465)]