80256490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{10979}}^1$

素因数の和:11046

約数の個数: 32

約数和(自身を含む): 156530880

約数和(自身を除く): 76274390

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 10979, 21958, 54895, 109790, 186643, 373286, 472097, 933215, 944194, 1866430, 2360485, 4720970, 8025649, 16051298, 40128245, 80256490]

約数ペア:

[(1, 80256490), (2, 40128245), (5, 16051298), (10, 8025649), (17, 4720970), (34, 2360485), (43, 1866430), (85, 944194), (86, 933215), (170, 472097), (215, 373286), (430, 186643), (731, 109790), (1462, 54895), (3655, 21958), (7310, 10979)]