31629040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9643}}^1$

素因数の和:9697

約数の個数: 40

約数和(自身を含む): 75338928

約数和(自身を除く): 43709888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9643, 19286, 38572, 48215, 77144, 96430, 154288, 192860, 385720, 395363, 771440, 790726, 1581452, 1976815, 3162904, 3953630, 6325808, 7907260, 15814520, 31629040]

約数ペア:

[(1, 31629040), (2, 15814520), (4, 7907260), (5, 6325808), (8, 3953630), (10, 3162904), (16, 1976815), (20, 1581452), (40, 790726), (41, 771440), (80, 395363), (82, 385720), (164, 192860), (205, 154288), (328, 96430), (410, 77144), (656, 48215), (820, 38572), (1640, 19286), (3280, 9643)]