393156640

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{24329}}^1$

素因数の和:24445

約数の個数: 48

約数和(自身を含む): 938067480

約数和(自身を除く): 544910840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 16160, 24329, 48658, 97316, 121645, 194632, 243290, 389264, 486580, 778528, 973160, 1946320, 2457229, 3892640, 4914458, 9828916, 12286145, 19657832, 24572290, 39315664, 49144580, 78631328, 98289160, 196578320, 393156640]

約数ペア:

[(1, 393156640), (2, 196578320), (4, 98289160), (5, 78631328), (8, 49144580), (10, 39315664), (16, 24572290), (20, 19657832), (32, 12286145), (40, 9828916), (80, 4914458), (101, 3892640), (160, 2457229), (202, 1946320), (404, 973160), (505, 778528), (808, 486580), (1010, 389264), (1616, 243290), (2020, 194632), (3232, 121645), (4040, 97316), (8080, 48658), (16160, 24329)]