2019441320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3883541}}^1$

素因数の和:3883565

約数の個数: 32

約数和(自身を含む): 4893262920

約数和(自身を除く): 2873821600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3883541, 7767082, 15534164, 19417705, 31068328, 38835410, 50486033, 77670820, 100972066, 155341640, 201944132, 252430165, 403888264, 504860330, 1009720660, 2019441320]

約数ペア:

[(1, 2019441320), (2, 1009720660), (4, 504860330), (5, 403888264), (8, 252430165), (10, 201944132), (13, 155341640), (20, 100972066), (26, 77670820), (40, 50486033), (52, 38835410), (65, 31068328), (104, 19417705), (130, 15534164), (260, 7767082), (520, 3883541)]