78752180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{607}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 178752000

約数和(自身を除く): 99999820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 499, 607, 998, 1214, 1996, 2428, 2495, 3035, 4990, 6070, 6487, 7891, 9980, 12140, 12974, 15782, 25948, 31564, 32435, 39455, 64870, 78910, 129740, 157820, 302893, 605786, 1211572, 1514465, 3028930, 3937609, 6057860, 7875218, 15750436, 19688045, 39376090, 78752180]

約数ペア:

[(1, 78752180), (2, 39376090), (4, 19688045), (5, 15750436), (10, 7875218), (13, 6057860), (20, 3937609), (26, 3028930), (52, 1514465), (65, 1211572), (130, 605786), (260, 302893), (499, 157820), (607, 129740), (998, 78910), (1214, 64870), (1996, 39455), (2428, 32435), (2495, 31564), (3035, 25948), (4990, 15782), (6070, 12974), (6487, 12140), (7891, 9980)]