81760

素因数分解:

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

素因数の和:95

約数の個数: 48

約数和(自身を含む): 223776

約数和(自身を除く): 142016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 365, 511, 560, 584, 730, 1022, 1120, 1168, 1460, 2044, 2336, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 11680, 16352, 20440, 40880, 81760]

約数ペア:

[(1, 81760), (2, 40880), (4, 20440), (5, 16352), (7, 11680), (8, 10220), (10, 8176), (14, 5840), (16, 5110), (20, 4088), (28, 2920), (32, 2555), (35, 2336), (40, 2044), (56, 1460), (70, 1168), (73, 1120), (80, 1022), (112, 730), (140, 584), (146, 560), (160, 511), (224, 365), (280, 292)]