1382840

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 3144960

約数和(自身を除く): 1762120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 191, 362, 382, 724, 764, 905, 955, 1448, 1528, 1810, 1910, 3620, 3820, 7240, 7640, 34571, 69142, 138284, 172855, 276568, 345710, 691420, 1382840]

約数ペア:

[(1, 1382840), (2, 691420), (4, 345710), (5, 276568), (8, 172855), (10, 138284), (20, 69142), (40, 34571), (181, 7640), (191, 7240), (362, 3820), (382, 3620), (724, 1910), (764, 1810), (905, 1528), (955, 1448)]