80357620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5683}}^1$

素因数の和:5800

約数の個数: 48

約数和(自身を含む): 194802048

約数和(自身を除く): 114444428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 5683, 7070, 11366, 14140, 22732, 28415, 39781, 56830, 79562, 113660, 159124, 198905, 397810, 573983, 795620, 1147966, 2295932, 2869915, 4017881, 5739830, 8035762, 11479660, 16071524, 20089405, 40178810, 80357620]

約数ペア:

[(1, 80357620), (2, 40178810), (4, 20089405), (5, 16071524), (7, 11479660), (10, 8035762), (14, 5739830), (20, 4017881), (28, 2869915), (35, 2295932), (70, 1147966), (101, 795620), (140, 573983), (202, 397810), (404, 198905), (505, 159124), (707, 113660), (1010, 79562), (1414, 56830), (2020, 39781), (2828, 28415), (3535, 22732), (5683, 14140), (7070, 11366)]