220173040

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{5407}}^1$

素因数の和:5929

約数の個数: 40

約数和(自身を含む): 513002880

約数和(自身を除く): 292829840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 5090, 5407, 8144, 10180, 10814, 20360, 21628, 27035, 40720, 43256, 54070, 86512, 108140, 216280, 432560, 2752163, 5504326, 11008652, 13760815, 22017304, 27521630, 44034608, 55043260, 110086520, 220173040]

約数ペア:

[(1, 220173040), (2, 110086520), (4, 55043260), (5, 44034608), (8, 27521630), (10, 22017304), (16, 13760815), (20, 11008652), (40, 5504326), (80, 2752163), (509, 432560), (1018, 216280), (2036, 108140), (2545, 86512), (4072, 54070), (5090, 43256), (5407, 40720), (8144, 27035), (10180, 21628), (10814, 20360)]