11977840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 32372928

約数和(自身を除く): 20395088

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, 293, 365, 511, 560, 584, 586, 730, 1022, 1168, 1172, 1460, 1465, 2044, 2051, 2344, 2555, 2920, 2930, 4088, 4102, 4688, 5110, 5840, 5860, 8176, 8204, 10220, 10255, 11720, 16408, 20440, 20510, 21389, 23440, 32816, 40880, 41020, 42778, 82040, 85556, 106945, 149723, 164080, 171112, 213890, 299446, 342224, 427780, 598892, 748615, 855560, 1197784, 1497230, 1711120, 2395568, 2994460, 5988920, 11977840]

約数ペア:

[(1, 11977840), (2, 5988920), (4, 2994460), (5, 2395568), (7, 1711120), (8, 1497230), (10, 1197784), (14, 855560), (16, 748615), (20, 598892), (28, 427780), (35, 342224), (40, 299446), (56, 213890), (70, 171112), (73, 164080), (80, 149723), (112, 106945), (140, 85556), (146, 82040), (280, 42778), (292, 41020), (293, 40880), (365, 32816), (511, 23440), (560, 21389), (584, 20510), (586, 20440), (730, 16408), (1022, 11720), (1168, 10255), (1172, 10220), (1460, 8204), (1465, 8176), (2044, 5860), (2051, 5840), (2344, 5110), (2555, 4688), (2920, 4102), (2930, 4088)]