25282180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16417}}^1$

素因数の和:16444

約数の個数: 48

約数和(自身を含む): 66197376

約数和(自身を除く): 40915196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16417, 32834, 65668, 82085, 114919, 164170, 180587, 229838, 328340, 361174, 459676, 574595, 722348, 902935, 1149190, 1264109, 1805870, 2298380, 2528218, 3611740, 5056436, 6320545, 12641090, 25282180]

約数ペア:

[(1, 25282180), (2, 12641090), (4, 6320545), (5, 5056436), (7, 3611740), (10, 2528218), (11, 2298380), (14, 1805870), (20, 1264109), (22, 1149190), (28, 902935), (35, 722348), (44, 574595), (55, 459676), (70, 361174), (77, 328340), (110, 229838), (140, 180587), (154, 164170), (220, 114919), (308, 82085), (385, 65668), (770, 32834), (1540, 16417)]