11921031880

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{569839}}^1$

素因数の和:570373

約数の個数: 32

約数和(自身を含む): 26873654400

約数和(自身を除く): 14952622520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 20920, 569839, 1139678, 2279356, 2849195, 4558712, 5698390, 11396780, 22793560, 298025797, 596051594, 1192103188, 1490128985, 2384206376, 2980257970, 5960515940, 11921031880]

約数ペア:

[(1, 11921031880), (2, 5960515940), (4, 2980257970), (5, 2384206376), (8, 1490128985), (10, 1192103188), (20, 596051594), (40, 298025797), (523, 22793560), (1046, 11396780), (2092, 5698390), (2615, 4558712), (4184, 2849195), (5230, 2279356), (10460, 1139678), (20920, 569839)]