8193400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 19351440

約数和(自身を除く): 11158040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 577, 710, 1154, 1420, 1775, 2308, 2840, 2885, 3550, 4616, 5770, 7100, 11540, 14200, 14425, 23080, 28850, 40967, 57700, 81934, 115400, 163868, 204835, 327736, 409670, 819340, 1024175, 1638680, 2048350, 4096700, 8193400]

約数ペア:

[(1, 8193400), (2, 4096700), (4, 2048350), (5, 1638680), (8, 1024175), (10, 819340), (20, 409670), (25, 327736), (40, 204835), (50, 163868), (71, 115400), (100, 81934), (142, 57700), (200, 40967), (284, 28850), (355, 23080), (568, 14425), (577, 14200), (710, 11540), (1154, 7100), (1420, 5770), (1775, 4616), (2308, 3550), (2840, 2885)]