38678708440

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1\times {\mathrm{7121}}^1$

素因数の和:7924

約数の個数: 64

約数和(自身を含む): 87547612320

約数和(自身を除く): 48868903880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 541, 1004, 1082, 1255, 2008, 2164, 2510, 2705, 4328, 5020, 5410, 7121, 10040, 10820, 14242, 21640, 28484, 35605, 56968, 71210, 135791, 142420, 271582, 284840, 543164, 678955, 1086328, 1357910, 1787371, 2715820, 3574742, 3852461, 5431640, 7149484, 7704922, 8936855, 14298968, 15409844, 17873710, 19262305, 30819688, 35747420, 38524610, 71494840, 77049220, 154098440, 966967711, 1933935422, 3867870844, 4834838555, 7735741688, 9669677110, 19339354220, 38678708440]

約数ペア:

[(1, 38678708440), (2, 19339354220), (4, 9669677110), (5, 7735741688), (8, 4834838555), (10, 3867870844), (20, 1933935422), (40, 966967711), (251, 154098440), (502, 77049220), (541, 71494840), (1004, 38524610), (1082, 35747420), (1255, 30819688), (2008, 19262305), (2164, 17873710), (2510, 15409844), (2705, 14298968), (4328, 8936855), (5020, 7704922), (5410, 7149484), (7121, 5431640), (10040, 3852461), (10820, 3574742), (14242, 2715820), (21640, 1787371), (28484, 1357910), (35605, 1086328), (56968, 678955), (71210, 543164), (135791, 284840), (142420, 271582)]