30362440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10691}}^1$

素因数の和:10773

約数の個数: 32

約数和(自身を含む): 69284160

約数和(自身を除く): 38921720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10691, 21382, 42764, 53455, 85528, 106910, 213820, 427640, 759061, 1518122, 3036244, 3795305, 6072488, 7590610, 15181220, 30362440]

約数ペア:

[(1, 30362440), (2, 15181220), (4, 7590610), (5, 6072488), (8, 3795305), (10, 3036244), (20, 1518122), (40, 759061), (71, 427640), (142, 213820), (284, 106910), (355, 85528), (568, 53455), (710, 42764), (1420, 21382), (2840, 10691)]