13381480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47791}}^1$

素因数の和:47809

約数の個数: 32

約数和(自身を含む): 34410240

約数和(自身を除く): 21028760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47791, 95582, 191164, 238955, 334537, 382328, 477910, 669074, 955820, 1338148, 1672685, 1911640, 2676296, 3345370, 6690740, 13381480]

約数ペア:

[(1, 13381480), (2, 6690740), (4, 3345370), (5, 2676296), (7, 1911640), (8, 1672685), (10, 1338148), (14, 955820), (20, 669074), (28, 477910), (35, 382328), (40, 334537), (56, 238955), (70, 191164), (140, 95582), (280, 47791)]