51854920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99721}}^1$

素因数の和:99745

約数の個数: 32

約数和(自身を含む): 125649720

約数和(自身を除く): 73794800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99721, 199442, 398884, 498605, 797768, 997210, 1296373, 1994420, 2592746, 3988840, 5185492, 6481865, 10370984, 12963730, 25927460, 51854920]

約数ペア:

[(1, 51854920), (2, 25927460), (4, 12963730), (5, 10370984), (8, 6481865), (10, 5185492), (13, 3988840), (20, 2592746), (26, 1994420), (40, 1296373), (52, 997210), (65, 797768), (104, 498605), (130, 398884), (260, 199442), (520, 99721)]