84191720

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{3109}}^1$

素因数の和:3797

約数の個数: 32

約数和(自身を含む): 189772200

約数和(自身を除く): 105580480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 2708, 3109, 3385, 5416, 6218, 6770, 12436, 13540, 15545, 24872, 27080, 31090, 62180, 124360, 2104793, 4209586, 8419172, 10523965, 16838344, 21047930, 42095860, 84191720]

約数ペア:

[(1, 84191720), (2, 42095860), (4, 21047930), (5, 16838344), (8, 10523965), (10, 8419172), (20, 4209586), (40, 2104793), (677, 124360), (1354, 62180), (2708, 31090), (3109, 27080), (3385, 24872), (5416, 15545), (6218, 13540), (6770, 12436)]