169851620

素因数分解:

$2^2\times 5^1\times {\mathrm{2129}}^1\times {\mathrm{3989}}^1$

素因数の和:6127

約数の個数: 24

約数和(自身を含む): 356945400

約数和(自身を除く): 187093780

約数列:

[1, 2, 4, 5, 10, 20, 2129, 3989, 4258, 7978, 8516, 10645, 15956, 19945, 21290, 39890, 42580, 79780, 8492581, 16985162, 33970324, 42462905, 84925810, 169851620]

約数ペア:

[(1, 169851620), (2, 84925810), (4, 42462905), (5, 33970324), (10, 16985162), (20, 8492581), (2129, 79780), (3989, 42580), (4258, 39890), (7978, 21290), (8516, 19945), (10645, 15956)]