71003320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41281}}^1$

素因数の和:41335

約数の個数: 32

約数和(自身を含む): 163476720

約数和(自身を除く): 92473400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41281, 82562, 165124, 206405, 330248, 412810, 825620, 1651240, 1775083, 3550166, 7100332, 8875415, 14200664, 17750830, 35501660, 71003320]

約数ペア:

[(1, 71003320), (2, 35501660), (4, 17750830), (5, 14200664), (8, 8875415), (10, 7100332), (20, 3550166), (40, 1775083), (43, 1651240), (86, 825620), (172, 412810), (215, 330248), (344, 206405), (430, 165124), (860, 82562), (1720, 41281)]