53890420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{37951}}^1$

素因数の和:38031

約数の個数: 24

約数和(自身を含む): 114766848

約数和(自身を除く): 60876428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 37951, 75902, 151804, 189755, 379510, 759020, 2694521, 5389042, 10778084, 13472605, 26945210, 53890420]

約数ペア:

[(1, 53890420), (2, 26945210), (4, 13472605), (5, 10778084), (10, 5389042), (20, 2694521), (71, 759020), (142, 379510), (284, 189755), (355, 151804), (710, 75902), (1420, 37951)]