7985980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9739}}^1$

素因数の和:9789

約数の個数: 24

約数和(自身を含む): 17181360

約数和(自身を除く): 9195380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 9739, 19478, 38956, 48695, 97390, 194780, 399299, 798598, 1597196, 1996495, 3992990, 7985980]

約数ペア:

[(1, 7985980), (2, 3992990), (4, 1996495), (5, 1597196), (10, 798598), (20, 399299), (41, 194780), (82, 97390), (164, 48695), (205, 38956), (410, 19478), (820, 9739)]