815120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 1982016

約数和(自身を除く): 1166896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 443, 460, 886, 920, 1772, 1840, 2215, 3544, 4430, 7088, 8860, 10189, 17720, 20378, 35440, 40756, 50945, 81512, 101890, 163024, 203780, 407560, 815120]

約数ペア:

[(1, 815120), (2, 407560), (4, 203780), (5, 163024), (8, 101890), (10, 81512), (16, 50945), (20, 40756), (23, 35440), (40, 20378), (46, 17720), (80, 10189), (92, 8860), (115, 7088), (184, 4430), (230, 3544), (368, 2215), (443, 1840), (460, 1772), (886, 920)]