4509920

素因数分解:

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

素因数の和:483

約数の個数: 48

約数和(自身を含む): 10831968

約数和(自身を除く): 6322048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 397, 568, 710, 794, 1136, 1420, 1588, 1985, 2272, 2840, 3176, 3970, 5680, 6352, 7940, 11360, 12704, 15880, 28187, 31760, 56374, 63520, 112748, 140935, 225496, 281870, 450992, 563740, 901984, 1127480, 2254960, 4509920]

約数ペア:

[(1, 4509920), (2, 2254960), (4, 1127480), (5, 901984), (8, 563740), (10, 450992), (16, 281870), (20, 225496), (32, 140935), (40, 112748), (71, 63520), (80, 56374), (142, 31760), (160, 28187), (284, 15880), (355, 12704), (397, 11360), (568, 7940), (710, 6352), (794, 5680), (1136, 3970), (1420, 3176), (1588, 2840), (1985, 2272)]