51126920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98321}}^1$

素因数の和:98345

約数の個数: 32

約数和(自身を含む): 123885720

約数和(自身を除く): 72758800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 98321, 196642, 393284, 491605, 786568, 983210, 1278173, 1966420, 2556346, 3932840, 5112692, 6390865, 10225384, 12781730, 25563460, 51126920]

約数ペア:

[(1, 51126920), (2, 25563460), (4, 12781730), (5, 10225384), (8, 6390865), (10, 5112692), (13, 3932840), (20, 2556346), (26, 1966420), (40, 1278173), (52, 983210), (65, 786568), (104, 491605), (130, 393284), (260, 196642), (520, 98321)]