1639160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 3777840

約数和(自身を除く): 2138680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 953, 1720, 1906, 3812, 4765, 7624, 9530, 19060, 38120, 40979, 81958, 163916, 204895, 327832, 409790, 819580, 1639160]

約数ペア:

[(1, 1639160), (2, 819580), (4, 409790), (5, 327832), (8, 204895), (10, 163916), (20, 81958), (40, 40979), (43, 38120), (86, 19060), (172, 9530), (215, 7624), (344, 4765), (430, 3812), (860, 1906), (953, 1720)]