53421560

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1697}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 120422160

約数和(自身を除く): 67000600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 1697, 3148, 3394, 3935, 6296, 6788, 7870, 8485, 13576, 15740, 16970, 31480, 33940, 67880, 1335539, 2671078, 5342156, 6677695, 10684312, 13355390, 26710780, 53421560]

約数ペア:

[(1, 53421560), (2, 26710780), (4, 13355390), (5, 10684312), (8, 6677695), (10, 5342156), (20, 2671078), (40, 1335539), (787, 67880), (1574, 33940), (1697, 31480), (3148, 16970), (3394, 15740), (3935, 13576), (6296, 8485), (6788, 7870)]