71782120

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15881}}^1$

素因数の和:16005

約数の個数: 32

約数和(自身を含む): 162949320

約数和(自身を除く): 91167200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 15881, 31762, 63524, 79405, 127048, 158810, 317620, 635240, 1794553, 3589106, 7178212, 8972765, 14356424, 17945530, 35891060, 71782120]

約数ペア:

[(1, 71782120), (2, 35891060), (4, 17945530), (5, 14356424), (8, 8972765), (10, 7178212), (20, 3589106), (40, 1794553), (113, 635240), (226, 317620), (452, 158810), (565, 127048), (904, 79405), (1130, 63524), (2260, 31762), (4520, 15881)]