538551320

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{13291}}^1$

素因数の和:14315

約数の個数: 32

約数和(自身を含む): 1213027920

約数和(自身を除く): 674476600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 4052, 5065, 8104, 10130, 13291, 20260, 26582, 40520, 53164, 66455, 106328, 132910, 265820, 531640, 13463783, 26927566, 53855132, 67318915, 107710264, 134637830, 269275660, 538551320]

約数ペア:

[(1, 538551320), (2, 269275660), (4, 134637830), (5, 107710264), (8, 67318915), (10, 53855132), (20, 26927566), (40, 13463783), (1013, 531640), (2026, 265820), (4052, 132910), (5065, 106328), (8104, 66455), (10130, 53164), (13291, 40520), (20260, 26582)]