245654960

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{9277}}^1$

素因数の和:9621

約数の個数: 40

約数和(自身を含む): 572935056

約数和(自身を除く): 327280096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 9277, 13240, 18554, 26480, 37108, 46385, 74216, 92770, 148432, 185540, 371080, 742160, 3070687, 6141374, 12282748, 15353435, 24565496, 30706870, 49130992, 61413740, 122827480, 245654960]

約数ペア:

[(1, 245654960), (2, 122827480), (4, 61413740), (5, 49130992), (8, 30706870), (10, 24565496), (16, 15353435), (20, 12282748), (40, 6141374), (80, 3070687), (331, 742160), (662, 371080), (1324, 185540), (1655, 148432), (2648, 92770), (3310, 74216), (5296, 46385), (6620, 37108), (9277, 26480), (13240, 18554)]