8400056920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{14621}}^1$

素因数の和:14956

約数の個数: 64

約数和(自身を含む): 19329114240

約数和(自身を除く): 10929057320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 271, 424, 530, 542, 1060, 1084, 1355, 2120, 2168, 2710, 5420, 10840, 14363, 14621, 28726, 29242, 57452, 58484, 71815, 73105, 114904, 116968, 143630, 146210, 287260, 292420, 574520, 584840, 774913, 1549826, 3099652, 3874565, 3962291, 6199304, 7749130, 7924582, 15498260, 15849164, 19811455, 30996520, 31698328, 39622910, 79245820, 158491640, 210001423, 420002846, 840005692, 1050007115, 1680011384, 2100014230, 4200028460, 8400056920]

約数ペア:

[(1, 8400056920), (2, 4200028460), (4, 2100014230), (5, 1680011384), (8, 1050007115), (10, 840005692), (20, 420002846), (40, 210001423), (53, 158491640), (106, 79245820), (212, 39622910), (265, 31698328), (271, 30996520), (424, 19811455), (530, 15849164), (542, 15498260), (1060, 7924582), (1084, 7749130), (1355, 6199304), (2120, 3962291), (2168, 3874565), (2710, 3099652), (5420, 1549826), (10840, 774913), (14363, 584840), (14621, 574520), (28726, 292420), (29242, 287260), (57452, 146210), (58484, 143630), (71815, 116968), (73105, 114904)]