88400840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6481}}^1$

素因数の和:6534

約数の個数: 64

約数和(自身を含む): 224017920

約数和(自身を除く): 135617080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6481, 6820, 12962, 13640, 25924, 32405, 51848, 64810, 71291, 129620, 142582, 200911, 259240, 285164, 356455, 401822, 570328, 712910, 803644, 1004555, 1425820, 1607288, 2009110, 2210021, 2851640, 4018220, 4420042, 8036440, 8840084, 11050105, 17680168, 22100210, 44200420, 88400840]

約数ペア:

[(1, 88400840), (2, 44200420), (4, 22100210), (5, 17680168), (8, 11050105), (10, 8840084), (11, 8036440), (20, 4420042), (22, 4018220), (31, 2851640), (40, 2210021), (44, 2009110), (55, 1607288), (62, 1425820), (88, 1004555), (110, 803644), (124, 712910), (155, 570328), (220, 401822), (248, 356455), (310, 285164), (341, 259240), (440, 200911), (620, 142582), (682, 129620), (1240, 71291), (1364, 64810), (1705, 51848), (2728, 32405), (3410, 25924), (6481, 13640), (6820, 12962)]