1026421840

素因数分解:

$2^4\times 5^1\times {\mathrm{12830273}}^1$

素因数の和:12830286

約数の個数: 20

約数和(自身を含む): 2386430964

約数和(自身を除く): 1360009124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12830273, 25660546, 51321092, 64151365, 102642184, 128302730, 205284368, 256605460, 513210920, 1026421840]

約数ペア:

[(1, 1026421840), (2, 513210920), (4, 256605460), (5, 205284368), (8, 128302730), (10, 102642184), (16, 64151365), (20, 51321092), (40, 25660546), (80, 12830273)]