80457620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 173530560

約数和(自身を除く): 93072940

約数列:

[1, 2, 4, 5, 10, 20, 67, 97, 134, 194, 268, 335, 388, 485, 619, 670, 970, 1238, 1340, 1940, 2476, 3095, 6190, 6499, 12380, 12998, 25996, 32495, 41473, 60043, 64990, 82946, 120086, 129980, 165892, 207365, 240172, 300215, 414730, 600430, 829460, 1200860, 4022881, 8045762, 16091524, 20114405, 40228810, 80457620]

約数ペア:

[(1, 80457620), (2, 40228810), (4, 20114405), (5, 16091524), (10, 8045762), (20, 4022881), (67, 1200860), (97, 829460), (134, 600430), (194, 414730), (268, 300215), (335, 240172), (388, 207365), (485, 165892), (619, 129980), (670, 120086), (970, 82946), (1238, 64990), (1340, 60043), (1940, 41473), (2476, 32495), (3095, 25996), (6190, 12998), (6499, 12380)]