20280606775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{25439}}^1$

素因数の和:25696

約数の個数: 48

約数和(自身を含む): 29678100480

約数和(自身を除く): 9397493705

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 223, 275, 325, 715, 1115, 2453, 2899, 3575, 5575, 12265, 14495, 25439, 31889, 61325, 72475, 127195, 159445, 279829, 330707, 635975, 797225, 1399145, 1653535, 3637777, 5672897, 6995725, 8267675, 18188885, 28364485, 62401867, 73747661, 90944425, 141822425, 312009335, 368738305, 811224271, 1560046675, 1843691525, 4056121355, 20280606775]

約数ペア:

[(1, 20280606775), (5, 4056121355), (11, 1843691525), (13, 1560046675), (25, 811224271), (55, 368738305), (65, 312009335), (143, 141822425), (223, 90944425), (275, 73747661), (325, 62401867), (715, 28364485), (1115, 18188885), (2453, 8267675), (2899, 6995725), (3575, 5672897), (5575, 3637777), (12265, 1653535), (14495, 1399145), (25439, 797225), (31889, 635975), (61325, 330707), (72475, 279829), (127195, 159445)]