69690160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21247}}^1$

素因数の和:21301

約数の個数: 40

約数和(自身を含む): 165989376

約数和(自身を除く): 96299216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21247, 42494, 84988, 106235, 169976, 212470, 339952, 424940, 849880, 871127, 1699760, 1742254, 3484508, 4355635, 6969016, 8711270, 13938032, 17422540, 34845080, 69690160]

約数ペア:

[(1, 69690160), (2, 34845080), (4, 17422540), (5, 13938032), (8, 8711270), (10, 6969016), (16, 4355635), (20, 3484508), (40, 1742254), (41, 1699760), (80, 871127), (82, 849880), (164, 424940), (205, 339952), (328, 212470), (410, 169976), (656, 106235), (820, 84988), (1640, 42494), (3280, 21247)]