9019840

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 56

約数和(自身を含む): 21835872

約数和(自身を除く): 12816032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 397, 568, 710, 794, 1136, 1420, 1588, 1985, 2272, 2840, 3176, 3970, 4544, 5680, 6352, 7940, 11360, 12704, 15880, 22720, 25408, 28187, 31760, 56374, 63520, 112748, 127040, 140935, 225496, 281870, 450992, 563740, 901984, 1127480, 1803968, 2254960, 4509920, 9019840]

約数ペア:

[(1, 9019840), (2, 4509920), (4, 2254960), (5, 1803968), (8, 1127480), (10, 901984), (16, 563740), (20, 450992), (32, 281870), (40, 225496), (64, 140935), (71, 127040), (80, 112748), (142, 63520), (160, 56374), (284, 31760), (320, 28187), (355, 25408), (397, 22720), (568, 15880), (710, 12704), (794, 11360), (1136, 7940), (1420, 6352), (1588, 5680), (1985, 4544), (2272, 3970), (2840, 3176)]