53721980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{206623}}^1$

素因数の和:206645

約数の個数: 24

約数和(自身を含む): 121494912

約数和(自身を除く): 67772932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 206623, 413246, 826492, 1033115, 2066230, 2686099, 4132460, 5372198, 10744396, 13430495, 26860990, 53721980]

約数ペア:

[(1, 53721980), (2, 26860990), (4, 13430495), (5, 10744396), (10, 5372198), (13, 4132460), (20, 2686099), (26, 2066230), (52, 1033115), (65, 826492), (130, 413246), (260, 206623)]