28481840

素因数分解:

$2^4\times 5^1\times {\mathrm{356023}}^1$

素因数の和:356036

約数の個数: 20

約数和(自身を含む): 66220464

約数和(自身を除く): 37738624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 356023, 712046, 1424092, 1780115, 2848184, 3560230, 5696368, 7120460, 14240920, 28481840]

約数ペア:

[(1, 28481840), (2, 14240920), (4, 7120460), (5, 5696368), (8, 3560230), (10, 2848184), (16, 1780115), (20, 1424092), (40, 712046), (80, 356023)]