1871041840

素因数分解:

$2^4\times 5^1\times {\mathrm{23388023}}^1$

素因数の和:23388036

約数の個数: 20

約数和(自身を含む): 4350172464

約数和(自身を除く): 2479130624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23388023, 46776046, 93552092, 116940115, 187104184, 233880230, 374208368, 467760460, 935520920, 1871041840]

約数ペア:

[(1, 1871041840), (2, 935520920), (4, 467760460), (5, 374208368), (8, 233880230), (10, 187104184), (16, 116940115), (20, 93552092), (40, 46776046), (80, 23388023)]