2251220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3631}}^1$

素因数の和:3671

約数の個数: 24

約数和(自身を含む): 4881408

約数和(自身を除く): 2630188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3631, 7262, 14524, 18155, 36310, 72620, 112561, 225122, 450244, 562805, 1125610, 2251220]

約数ペア:

[(1, 2251220), (2, 1125610), (4, 562805), (5, 450244), (10, 225122), (20, 112561), (31, 72620), (62, 36310), (124, 18155), (155, 14524), (310, 7262), (620, 3631)]