42105890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 78257664

約数和(自身を除く): 36151774

約数列:

[1, 2, 5, 10, 47, 94, 101, 202, 235, 470, 505, 887, 1010, 1774, 4435, 4747, 8870, 9494, 23735, 41689, 47470, 83378, 89587, 179174, 208445, 416890, 447935, 895870, 4210589, 8421178, 21052945, 42105890]

約数ペア:

[(1, 42105890), (2, 21052945), (5, 8421178), (10, 4210589), (47, 895870), (94, 447935), (101, 416890), (202, 208445), (235, 179174), (470, 89587), (505, 83378), (887, 47470), (1010, 41689), (1774, 23735), (4435, 9494), (4747, 8870)]