28841840

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1283}}^1$

素因数の和:1577

約数の個数: 40

約数和(自身を含む): 67348368

約数和(自身を除く): 38506528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1283, 1405, 2248, 2566, 2810, 4496, 5132, 5620, 6415, 10264, 11240, 12830, 20528, 22480, 25660, 51320, 102640, 360523, 721046, 1442092, 1802615, 2884184, 3605230, 5768368, 7210460, 14420920, 28841840]

約数ペア:

[(1, 28841840), (2, 14420920), (4, 7210460), (5, 5768368), (8, 3605230), (10, 2884184), (16, 1802615), (20, 1442092), (40, 721046), (80, 360523), (281, 102640), (562, 51320), (1124, 25660), (1283, 22480), (1405, 20528), (2248, 12830), (2566, 11240), (2810, 10264), (4496, 6415), (5132, 5620)]