90004640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4649}}^1$

素因数の和:4686

約数の個数: 72

約数和(自身を含む): 233774100

約数和(自身を除く): 143769460

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4649, 4840, 9298, 9680, 18596, 19360, 23245, 37192, 46490, 51139, 74384, 92980, 102278, 148768, 185960, 204556, 255695, 371920, 409112, 511390, 562529, 743840, 818224, 1022780, 1125058, 1636448, 2045560, 2250116, 2812645, 4091120, 4500232, 5625290, 8182240, 9000464, 11250580, 18000928, 22501160, 45002320, 90004640]

約数ペア:

[(1, 90004640), (2, 45002320), (4, 22501160), (5, 18000928), (8, 11250580), (10, 9000464), (11, 8182240), (16, 5625290), (20, 4500232), (22, 4091120), (32, 2812645), (40, 2250116), (44, 2045560), (55, 1636448), (80, 1125058), (88, 1022780), (110, 818224), (121, 743840), (160, 562529), (176, 511390), (220, 409112), (242, 371920), (352, 255695), (440, 204556), (484, 185960), (605, 148768), (880, 102278), (968, 92980), (1210, 74384), (1760, 51139), (1936, 46490), (2420, 37192), (3872, 23245), (4649, 19360), (4840, 18596), (9298, 9680)]