15390460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4721}}^1$

素因数の和:4893

約数の個数: 24

約数和(自身を含む): 32525136

約数和(自身を除く): 17134676

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 4721, 9442, 18884, 23605, 47210, 94420, 769523, 1539046, 3078092, 3847615, 7695230, 15390460]

約数ペア:

[(1, 15390460), (2, 7695230), (4, 3847615), (5, 3078092), (10, 1539046), (20, 769523), (163, 94420), (326, 47210), (652, 23605), (815, 18884), (1630, 9442), (3260, 4721)]