80538250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{24781}}^1$

素因数の和:24811

約数の個数: 32

約数和(自身を含む): 162371664

約数和(自身を除く): 81833414

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 24781, 49562, 123905, 247810, 322153, 619525, 644306, 1239050, 1610765, 3097625, 3221530, 6195250, 8053825, 16107650, 40269125, 80538250]

約数ペア:

[(1, 80538250), (2, 40269125), (5, 16107650), (10, 8053825), (13, 6195250), (25, 3221530), (26, 3097625), (50, 1610765), (65, 1239050), (125, 644306), (130, 619525), (250, 322153), (325, 247810), (650, 123905), (1625, 49562), (3250, 24781)]