8889598840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1\times {\mathrm{6481}}^1$

素因数の和:7192

約数の個数: 64

約数和(自身を含む): 20413632960

約数和(自身を除く): 11524034120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 647, 1060, 1294, 2120, 2588, 3235, 5176, 6470, 6481, 12940, 12962, 25880, 25924, 32405, 34291, 51848, 64810, 68582, 129620, 137164, 171455, 259240, 274328, 342910, 343493, 685820, 686986, 1371640, 1373972, 1717465, 2747944, 3434930, 4193207, 6869860, 8386414, 13739720, 16772828, 20966035, 33545656, 41932070, 83864140, 167728280, 222239971, 444479942, 888959884, 1111199855, 1777919768, 2222399710, 4444799420, 8889598840]

約数ペア:

[(1, 8889598840), (2, 4444799420), (4, 2222399710), (5, 1777919768), (8, 1111199855), (10, 888959884), (20, 444479942), (40, 222239971), (53, 167728280), (106, 83864140), (212, 41932070), (265, 33545656), (424, 20966035), (530, 16772828), (647, 13739720), (1060, 8386414), (1294, 6869860), (2120, 4193207), (2588, 3434930), (3235, 2747944), (5176, 1717465), (6470, 1373972), (6481, 1371640), (12940, 686986), (12962, 685820), (25880, 343493), (25924, 342910), (32405, 274328), (34291, 259240), (51848, 171455), (64810, 137164), (68582, 129620)]