81539056

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{25609}}^1$

素因数の和:25816

約数の個数: 20

約数和(自身を含む): 158782000

約数和(自身を除く): 77242944

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 25609, 51218, 102436, 204872, 409744, 5096191, 10192382, 20384764, 40769528, 81539056]

約数ペア:

[(1, 81539056), (2, 40769528), (4, 20384764), (8, 10192382), (16, 5096191), (199, 409744), (398, 204872), (796, 102436), (1592, 51218), (3184, 25609)]