2518940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 5654880

約数和(自身を除く): 3135940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 101, 116, 145, 172, 202, 215, 290, 404, 430, 505, 580, 860, 1010, 1247, 2020, 2494, 2929, 4343, 4988, 5858, 6235, 8686, 11716, 12470, 14645, 17372, 21715, 24940, 29290, 43430, 58580, 86860, 125947, 251894, 503788, 629735, 1259470, 2518940]

約数ペア:

[(1, 2518940), (2, 1259470), (4, 629735), (5, 503788), (10, 251894), (20, 125947), (29, 86860), (43, 58580), (58, 43430), (86, 29290), (101, 24940), (116, 21715), (145, 17372), (172, 14645), (202, 12470), (215, 11716), (290, 8686), (404, 6235), (430, 5858), (505, 4988), (580, 4343), (860, 2929), (1010, 2494), (1247, 2020)]