216080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 523032

約数和(自身を除く): 306952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 73, 74, 80, 146, 148, 185, 292, 296, 365, 370, 584, 592, 730, 740, 1168, 1460, 1480, 2701, 2920, 2960, 5402, 5840, 10804, 13505, 21608, 27010, 43216, 54020, 108040, 216080]

約数ペア:

[(1, 216080), (2, 108040), (4, 54020), (5, 43216), (8, 27010), (10, 21608), (16, 13505), (20, 10804), (37, 5840), (40, 5402), (73, 2960), (74, 2920), (80, 2701), (146, 1480), (148, 1460), (185, 1168), (292, 740), (296, 730), (365, 592), (370, 584)]