65457920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4649}}^1$

素因数の和:4681

約数の個数: 72

約数和(自身を含む): 171082800

約数和(自身を除く): 105624880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 4649, 7040, 9298, 14080, 18596, 23245, 37192, 46490, 51139, 74384, 92980, 102278, 148768, 185960, 204556, 255695, 297536, 371920, 409112, 511390, 595072, 743840, 818224, 1022780, 1190144, 1487680, 1636448, 2045560, 2975360, 3272896, 4091120, 5950720, 6545792, 8182240, 13091584, 16364480, 32728960, 65457920]

約数ペア:

[(1, 65457920), (2, 32728960), (4, 16364480), (5, 13091584), (8, 8182240), (10, 6545792), (11, 5950720), (16, 4091120), (20, 3272896), (22, 2975360), (32, 2045560), (40, 1636448), (44, 1487680), (55, 1190144), (64, 1022780), (80, 818224), (88, 743840), (110, 595072), (128, 511390), (160, 409112), (176, 371920), (220, 297536), (256, 255695), (320, 204556), (352, 185960), (440, 148768), (640, 102278), (704, 92980), (880, 74384), (1280, 51139), (1408, 46490), (1760, 37192), (2816, 23245), (3520, 18596), (4649, 14080), (7040, 9298)]