4080687560

素因数分解:

$2^3\times 5^1\times {\mathrm{10831}}^1\times {\mathrm{9419}}^1$

素因数の和:20261

約数の個数: 32

約数和(自身を含む): 9183369600

約数和(自身を除く): 5102682040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9419, 10831, 18838, 21662, 37676, 43324, 47095, 54155, 75352, 86648, 94190, 108310, 188380, 216620, 376760, 433240, 102017189, 204034378, 408068756, 510085945, 816137512, 1020171890, 2040343780, 4080687560]

約数ペア:

[(1, 4080687560), (2, 2040343780), (4, 1020171890), (5, 816137512), (8, 510085945), (10, 408068756), (20, 204034378), (40, 102017189), (9419, 433240), (10831, 376760), (18838, 216620), (21662, 188380), (37676, 108310), (43324, 94190), (47095, 86648), (54155, 75352)]