16666480

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1151}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 38997504

約数和(自身を除く): 22331024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1151, 1448, 1810, 2302, 2896, 3620, 4604, 5755, 7240, 9208, 11510, 14480, 18416, 23020, 46040, 92080, 208331, 416662, 833324, 1041655, 1666648, 2083310, 3333296, 4166620, 8333240, 16666480]

約数ペア:

[(1, 16666480), (2, 8333240), (4, 4166620), (5, 3333296), (8, 2083310), (10, 1666648), (16, 1041655), (20, 833324), (40, 416662), (80, 208331), (181, 92080), (362, 46040), (724, 23020), (905, 18416), (1151, 14480), (1448, 11510), (1810, 9208), (2302, 7240), (2896, 5755), (3620, 4604)]