28543450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43913}}^1$

素因数の和:43938

約数の個数: 24

約数和(自身を含む): 57176028

約数和(自身を除く): 28632578

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 43913, 87826, 219565, 439130, 570869, 1097825, 1141738, 2195650, 2854345, 5708690, 14271725, 28543450]

約数ペア:

[(1, 28543450), (2, 14271725), (5, 5708690), (10, 2854345), (13, 2195650), (25, 1141738), (26, 1097825), (50, 570869), (65, 439130), (130, 219565), (325, 87826), (650, 43913)]