1321720

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 3006720

約数和(自身を除く): 1685000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 191, 346, 382, 692, 764, 865, 955, 1384, 1528, 1730, 1910, 3460, 3820, 6920, 7640, 33043, 66086, 132172, 165215, 264344, 330430, 660860, 1321720]

約数ペア:

[(1, 1321720), (2, 660860), (4, 330430), (5, 264344), (8, 165215), (10, 132172), (20, 66086), (40, 33043), (173, 7640), (191, 6920), (346, 3820), (382, 3460), (692, 1910), (764, 1730), (865, 1528), (955, 1384)]