15725240

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3001}}^1$

素因数の和:3143

約数の個数: 32

約数和(自身を含む): 35663760

約数和(自身を除く): 19938520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3001, 5240, 6002, 12004, 15005, 24008, 30010, 60020, 120040, 393131, 786262, 1572524, 1965655, 3145048, 3931310, 7862620, 15725240]

約数ペア:

[(1, 15725240), (2, 7862620), (4, 3931310), (5, 3145048), (8, 1965655), (10, 1572524), (20, 786262), (40, 393131), (131, 120040), (262, 60020), (524, 30010), (655, 24008), (1048, 15005), (1310, 12004), (2620, 6002), (3001, 5240)]