9081680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1935

約数の個数: 40

約数和(自身を含む): 21472584

約数和(自身を除く): 12390904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1861, 2440, 3722, 4880, 7444, 9305, 14888, 18610, 29776, 37220, 74440, 113521, 148880, 227042, 454084, 567605, 908168, 1135210, 1816336, 2270420, 4540840, 9081680]

約数ペア:

[(1, 9081680), (2, 4540840), (4, 2270420), (5, 1816336), (8, 1135210), (10, 908168), (16, 567605), (20, 454084), (40, 227042), (61, 148880), (80, 113521), (122, 74440), (244, 37220), (305, 29776), (488, 18610), (610, 14888), (976, 9305), (1220, 7444), (1861, 4880), (2440, 3722)]