40880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1$

素因数の和:93

約数の個数: 40

約数和(自身を含む): 110112

約数和(自身を除く): 69232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 20440, 40880]

約数ペア:

[(1, 40880), (2, 20440), (4, 10220), (5, 8176), (7, 5840), (8, 5110), (10, 4088), (14, 2920), (16, 2555), (20, 2044), (28, 1460), (35, 1168), (40, 1022), (56, 730), (70, 584), (73, 560), (80, 511), (112, 365), (140, 292), (146, 280)]