84940960

素因数分解:

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

素因数の和:546

約数の個数: 96

約数和(自身を含む): 218855952

約数和(自身を除く): 133914992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 97, 104, 130, 160, 194, 208, 260, 388, 416, 421, 485, 520, 776, 842, 970, 1040, 1261, 1552, 1684, 1940, 2080, 2105, 2522, 3104, 3368, 3880, 4210, 5044, 5473, 6305, 6736, 7760, 8420, 10088, 10946, 12610, 13472, 15520, 16840, 20176, 21892, 25220, 27365, 33680, 40352, 40837, 43784, 50440, 54730, 67360, 81674, 87568, 100880, 109460, 163348, 175136, 201760, 204185, 218920, 326696, 408370, 437840, 530881, 653392, 816740, 875680, 1061762, 1306784, 1633480, 2123524, 2654405, 3266960, 4247048, 5308810, 6533920, 8494096, 10617620, 16988192, 21235240, 42470480, 84940960]

約数ペア:

[(1, 84940960), (2, 42470480), (4, 21235240), (5, 16988192), (8, 10617620), (10, 8494096), (13, 6533920), (16, 5308810), (20, 4247048), (26, 3266960), (32, 2654405), (40, 2123524), (52, 1633480), (65, 1306784), (80, 1061762), (97, 875680), (104, 816740), (130, 653392), (160, 530881), (194, 437840), (208, 408370), (260, 326696), (388, 218920), (416, 204185), (421, 201760), (485, 175136), (520, 163348), (776, 109460), (842, 100880), (970, 87568), (1040, 81674), (1261, 67360), (1552, 54730), (1684, 50440), (1940, 43784), (2080, 40837), (2105, 40352), (2522, 33680), (3104, 27365), (3368, 25220), (3880, 21892), (4210, 20176), (5044, 16840), (5473, 15520), (6305, 13472), (6736, 12610), (7760, 10946), (8420, 10088)]