42470480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 107691024

約数和(自身を除く): 65220544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 421, 485, 520, 776, 842, 970, 1040, 1261, 1552, 1684, 1940, 2105, 2522, 3368, 3880, 4210, 5044, 5473, 6305, 6736, 7760, 8420, 10088, 10946, 12610, 16840, 20176, 21892, 25220, 27365, 33680, 40837, 43784, 50440, 54730, 81674, 87568, 100880, 109460, 163348, 204185, 218920, 326696, 408370, 437840, 530881, 653392, 816740, 1061762, 1633480, 2123524, 2654405, 3266960, 4247048, 5308810, 8494096, 10617620, 21235240, 42470480]

約数ペア:

[(1, 42470480), (2, 21235240), (4, 10617620), (5, 8494096), (8, 5308810), (10, 4247048), (13, 3266960), (16, 2654405), (20, 2123524), (26, 1633480), (40, 1061762), (52, 816740), (65, 653392), (80, 530881), (97, 437840), (104, 408370), (130, 326696), (194, 218920), (208, 204185), (260, 163348), (388, 109460), (421, 100880), (485, 87568), (520, 81674), (776, 54730), (842, 50440), (970, 43784), (1040, 40837), (1261, 33680), (1552, 27365), (1684, 25220), (1940, 21892), (2105, 20176), (2522, 16840), (3368, 12610), (3880, 10946), (4210, 10088), (5044, 8420), (5473, 7760), (6305, 6736)]