4018220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6481}}^1$

素因数の和:6521

約数の個数: 24

約数和(自身を含む): 8711808

約数和(自身を除く): 4693588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6481, 12962, 25924, 32405, 64810, 129620, 200911, 401822, 803644, 1004555, 2009110, 4018220]

約数ペア:

[(1, 4018220), (2, 2009110), (4, 1004555), (5, 803644), (10, 401822), (20, 200911), (31, 129620), (62, 64810), (124, 32405), (155, 25924), (310, 12962), (620, 6481)]