102642640

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3137}}^1$

素因数の和:3559

約数の個数: 40

約数和(自身を含む): 239303880

約数和(自身を除く): 136661240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3137, 3272, 4090, 6274, 6544, 8180, 12548, 15685, 16360, 25096, 31370, 32720, 50192, 62740, 125480, 250960, 1283033, 2566066, 5132132, 6415165, 10264264, 12830330, 20528528, 25660660, 51321320, 102642640]

約数ペア:

[(1, 102642640), (2, 51321320), (4, 25660660), (5, 20528528), (8, 12830330), (10, 10264264), (16, 6415165), (20, 5132132), (40, 2566066), (80, 1283033), (409, 250960), (818, 125480), (1636, 62740), (2045, 50192), (3137, 32720), (3272, 31370), (4090, 25096), (6274, 16360), (6544, 15685), (8180, 12548)]