254609840

素因数分解:

$2^4\times 5^1\times {\mathrm{3182623}}^1$

素因数の和:3182636

約数の個数: 20

約数和(自身を含む): 591968064

約数和(自身を除く): 337358224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3182623, 6365246, 12730492, 15913115, 25460984, 31826230, 50921968, 63652460, 127304920, 254609840]

約数ペア:

[(1, 254609840), (2, 127304920), (4, 63652460), (5, 50921968), (8, 31826230), (10, 25460984), (16, 15913115), (20, 12730492), (40, 6365246), (80, 3182623)]