81877270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25349}}^1$

素因数の和:25392

約数の個数: 32

約数和(自身を含む): 164268000

約数和(自身を除く): 82390730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 25349, 50698, 126745, 253490, 430933, 481631, 861866, 963262, 2154665, 2408155, 4309330, 4816310, 8187727, 16375454, 40938635, 81877270]

約数ペア:

[(1, 81877270), (2, 40938635), (5, 16375454), (10, 8187727), (17, 4816310), (19, 4309330), (34, 2408155), (38, 2154665), (85, 963262), (95, 861866), (170, 481631), (190, 430933), (323, 253490), (646, 126745), (1615, 50698), (3230, 25349)]