10128920

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1933}}^1$

素因数の和:2075

約数の個数: 32

約数和(自身を含む): 22975920

約数和(自身を除く): 12847000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 1933, 2620, 3866, 5240, 7732, 9665, 15464, 19330, 38660, 77320, 253223, 506446, 1012892, 1266115, 2025784, 2532230, 5064460, 10128920]

約数ペア:

[(1, 10128920), (2, 5064460), (4, 2532230), (5, 2025784), (8, 1266115), (10, 1012892), (20, 506446), (40, 253223), (131, 77320), (262, 38660), (524, 19330), (655, 15464), (1048, 9665), (1310, 7732), (1933, 5240), (2620, 3866)]