1613840

素因数分解:

$2^4\times 5^1\times {\mathrm{20173}}^1$

素因数の和:20186

約数の個数: 20

約数和(自身を含む): 3752364

約数和(自身を除く): 2138524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20173, 40346, 80692, 100865, 161384, 201730, 322768, 403460, 806920, 1613840]

約数ペア:

[(1, 1613840), (2, 806920), (4, 403460), (5, 322768), (8, 201730), (10, 161384), (16, 100865), (20, 80692), (40, 40346), (80, 20173)]