86238580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 186701760

約数和(自身を除く): 100463180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 251, 410, 419, 502, 820, 838, 1004, 1255, 1676, 2095, 2510, 4190, 5020, 8380, 10291, 17179, 20582, 34358, 41164, 51455, 68716, 85895, 102910, 105169, 171790, 205820, 210338, 343580, 420676, 525845, 1051690, 2103380, 4311929, 8623858, 17247716, 21559645, 43119290, 86238580]

約数ペア:

[(1, 86238580), (2, 43119290), (4, 21559645), (5, 17247716), (10, 8623858), (20, 4311929), (41, 2103380), (82, 1051690), (164, 525845), (205, 420676), (251, 343580), (410, 210338), (419, 205820), (502, 171790), (820, 105169), (838, 102910), (1004, 85895), (1255, 68716), (1676, 51455), (2095, 41164), (2510, 34358), (4190, 20582), (5020, 17179), (8380, 10291)]