15653080

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{797}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 35335440

約数和(自身を除く): 19682360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 797, 982, 1594, 1964, 2455, 3188, 3928, 3985, 4910, 6376, 7970, 9820, 15940, 19640, 31880, 391327, 782654, 1565308, 1956635, 3130616, 3913270, 7826540, 15653080]

約数ペア:

[(1, 15653080), (2, 7826540), (4, 3913270), (5, 3130616), (8, 1956635), (10, 1565308), (20, 782654), (40, 391327), (491, 31880), (797, 19640), (982, 15940), (1594, 9820), (1964, 7970), (2455, 6376), (3188, 4910), (3928, 3985)]