51782120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99581}}^1$

素因数の和:99605

約数の個数: 32

約数和(自身を含む): 125473320

約数和(自身を除く): 73691200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 99581, 199162, 398324, 497905, 796648, 995810, 1294553, 1991620, 2589106, 3983240, 5178212, 6472765, 10356424, 12945530, 25891060, 51782120]

約数ペア:

[(1, 51782120), (2, 25891060), (4, 12945530), (5, 10356424), (8, 6472765), (10, 5178212), (13, 3983240), (20, 2589106), (26, 1991620), (40, 1294553), (52, 995810), (65, 796648), (104, 497905), (130, 398324), (260, 199162), (520, 99581)]