28741820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{35051}}^1$

素因数の和:35101

約数の個数: 24

約数和(自身を含む): 61831728

約数和(自身を除く): 33089908

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 35051, 70102, 140204, 175255, 350510, 701020, 1437091, 2874182, 5748364, 7185455, 14370910, 28741820]

約数ペア:

[(1, 28741820), (2, 14370910), (4, 7185455), (5, 5748364), (10, 2874182), (20, 1437091), (41, 701020), (82, 350510), (164, 175255), (205, 140204), (410, 70102), (820, 35051)]