15920121295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{85429}}^1$

素因数の和:85555

約数の個数: 32

約数和(自身を含む): 21356133120

約数和(自身を除く): 5436011825

約数列:

[1, 5, 13, 47, 61, 65, 235, 305, 611, 793, 2867, 3055, 3965, 14335, 37271, 85429, 186355, 427145, 1110577, 4015163, 5211169, 5552885, 20075815, 26055845, 52197119, 67745197, 244924943, 260985595, 338725985, 1224624715, 3184024259, 15920121295]

約数ペア:

[(1, 15920121295), (5, 3184024259), (13, 1224624715), (47, 338725985), (61, 260985595), (65, 244924943), (235, 67745197), (305, 52197119), (611, 26055845), (793, 20075815), (2867, 5552885), (3055, 5211169), (3965, 4015163), (14335, 1110577), (37271, 427145), (85429, 186355)]