201413980

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{25367}}^1$

素因数の和:25773

約数の個数: 24

約数和(自身を含む): 424051488

約数和(自身を除く): 222637508

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 25367, 50734, 101468, 126835, 253670, 507340, 10070699, 20141398, 40282796, 50353495, 100706990, 201413980]

約数ペア:

[(1, 201413980), (2, 100706990), (4, 50353495), (5, 40282796), (10, 20141398), (20, 10070699), (397, 507340), (794, 253670), (1588, 126835), (1985, 101468), (3970, 50734), (7940, 25367)]