71768440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21617}}^1$

素因数の和:21711

約数の個数: 32

約数和(自身を含む): 163432080

約数和(自身を除く): 91663640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21617, 43234, 86468, 108085, 172936, 216170, 432340, 864680, 1794211, 3588422, 7176844, 8971055, 14353688, 17942110, 35884220, 71768440]

約数ペア:

[(1, 71768440), (2, 35884220), (4, 17942110), (5, 14353688), (8, 8971055), (10, 7176844), (20, 3588422), (40, 1794211), (83, 864680), (166, 432340), (332, 216170), (415, 172936), (664, 108085), (830, 86468), (1660, 43234), (3320, 21617)]