71110640

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2239}}^1$

素因数の和:2649

約数の個数: 40

約数和(自身を含む): 165822720

約数和(自身を除く): 94712080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 2239, 3176, 3970, 4478, 6352, 7940, 8956, 11195, 15880, 17912, 22390, 31760, 35824, 44780, 89560, 179120, 888883, 1777766, 3555532, 4444415, 7111064, 8888830, 14222128, 17777660, 35555320, 71110640]

約数ペア:

[(1, 71110640), (2, 35555320), (4, 17777660), (5, 14222128), (8, 8888830), (10, 7111064), (16, 4444415), (20, 3555532), (40, 1777766), (80, 888883), (397, 179120), (794, 89560), (1588, 44780), (1985, 35824), (2239, 31760), (3176, 22390), (3970, 17912), (4478, 15880), (6352, 11195), (7940, 8956)]