55813840

素因数分解:

$2^4\times 5^1\times {\mathrm{697673}}^1$

素因数の和:697686

約数の個数: 20

約数和(自身を含む): 129767364

約数和(自身を除く): 73953524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 697673, 1395346, 2790692, 3488365, 5581384, 6976730, 11162768, 13953460, 27906920, 55813840]

約数ペア:

[(1, 55813840), (2, 27906920), (4, 13953460), (5, 11162768), (8, 6976730), (10, 5581384), (16, 3488365), (20, 2790692), (40, 1395346), (80, 697673)]