40672520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145259}}^1$

素因数の和:145277

約数の個数: 32

約数和(自身を含む): 104587200

約数和(自身を除く): 63914680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145259, 290518, 581036, 726295, 1016813, 1162072, 1452590, 2033626, 2905180, 4067252, 5084065, 5810360, 8134504, 10168130, 20336260, 40672520]

約数ペア:

[(1, 40672520), (2, 20336260), (4, 10168130), (5, 8134504), (7, 5810360), (8, 5084065), (10, 4067252), (14, 2905180), (20, 2033626), (28, 1452590), (35, 1162072), (40, 1016813), (56, 726295), (70, 581036), (140, 290518), (280, 145259)]