8421760

素因数分解:

$2^7\times 5^1\times {\mathrm{13159}}^1$

素因数の和:13178

約数の個数: 32

約数和(自身を含む): 20134800

約数和(自身を除く): 11713040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13159, 26318, 52636, 65795, 105272, 131590, 210544, 263180, 421088, 526360, 842176, 1052720, 1684352, 2105440, 4210880, 8421760]

約数ペア:

[(1, 8421760), (2, 4210880), (4, 2105440), (5, 1684352), (8, 1052720), (10, 842176), (16, 526360), (20, 421088), (32, 263180), (40, 210544), (64, 131590), (80, 105272), (128, 65795), (160, 52636), (320, 26318), (640, 13159)]