2254960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 5330016

約数和(自身を除く): 3075056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 397, 568, 710, 794, 1136, 1420, 1588, 1985, 2840, 3176, 3970, 5680, 6352, 7940, 15880, 28187, 31760, 56374, 112748, 140935, 225496, 281870, 450992, 563740, 1127480, 2254960]

約数ペア:

[(1, 2254960), (2, 1127480), (4, 563740), (5, 450992), (8, 281870), (10, 225496), (16, 140935), (20, 112748), (40, 56374), (71, 31760), (80, 28187), (142, 15880), (284, 7940), (355, 6352), (397, 5680), (568, 3970), (710, 3176), (794, 2840), (1136, 1985), (1420, 1588)]