28252780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45569}}^1$

素因数の和:45609

約数の個数: 24

約数和(自身を含む): 61246080

約数和(自身を除く): 32993300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45569, 91138, 182276, 227845, 455690, 911380, 1412639, 2825278, 5650556, 7063195, 14126390, 28252780]

約数ペア:

[(1, 28252780), (2, 14126390), (4, 7063195), (5, 5650556), (10, 2825278), (20, 1412639), (31, 911380), (62, 455690), (124, 227845), (155, 182276), (310, 91138), (620, 45569)]