8017120

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 19187280

約数和(自身を除く): 11170160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 563, 712, 890, 1126, 1424, 1780, 2252, 2815, 2848, 3560, 4504, 5630, 7120, 9008, 11260, 14240, 18016, 22520, 45040, 50107, 90080, 100214, 200428, 250535, 400856, 501070, 801712, 1002140, 1603424, 2004280, 4008560, 8017120]

約数ペア:

[(1, 8017120), (2, 4008560), (4, 2004280), (5, 1603424), (8, 1002140), (10, 801712), (16, 501070), (20, 400856), (32, 250535), (40, 200428), (80, 100214), (89, 90080), (160, 50107), (178, 45040), (356, 22520), (445, 18016), (563, 14240), (712, 11260), (890, 9008), (1126, 7120), (1424, 5630), (1780, 4504), (2252, 3560), (2815, 2848)]