1294016515240

素因数分解:

$2^3\times 5^1\times {\mathrm{32350412881}}^1$

素因数の和:32350412892

約数の個数: 16

約数和(自身を含む): 2911537159380

約数和(自身を除く): 1617520644140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32350412881, 64700825762, 129401651524, 161752064405, 258803303048, 323504128810, 647008257620, 1294016515240]

約数ペア:

[(1, 1294016515240), (2, 647008257620), (4, 323504128810), (5, 258803303048), (8, 161752064405), (10, 129401651524), (20, 64700825762), (40, 32350412881)]