89394020

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{4547}}^1$

素因数の和:5539

約数の個数: 24

約数和(自身を含む): 187959744

約数和(自身を除く): 98565724

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3932, 4547, 4915, 9094, 9830, 18188, 19660, 22735, 45470, 90940, 4469701, 8939402, 17878804, 22348505, 44697010, 89394020]

約数ペア:

[(1, 89394020), (2, 44697010), (4, 22348505), (5, 17878804), (10, 8939402), (20, 4469701), (983, 90940), (1966, 45470), (3932, 22735), (4547, 19660), (4915, 18188), (9094, 9830)]