28715990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{70039}}^1$

素因数の和:70087

約数の個数: 16

約数和(自身を含む): 52950240

約数和(自身を除く): 24234250

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 70039, 140078, 350195, 700390, 2871599, 5743198, 14357995, 28715990]

約数ペア:

[(1, 28715990), (2, 14357995), (5, 5743198), (10, 2871599), (41, 700390), (82, 350195), (205, 140078), (410, 70039)]