1780125080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2617831}}^1$

素因数の和:2617859

約数の個数: 32

約数和(自身を含む): 4240887840

約数和(自身を除く): 2460762760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2617831, 5235662, 10471324, 13089155, 20942648, 26178310, 44503127, 52356620, 89006254, 104713240, 178012508, 222515635, 356025016, 445031270, 890062540, 1780125080]

約数ペア:

[(1, 1780125080), (2, 890062540), (4, 445031270), (5, 356025016), (8, 222515635), (10, 178012508), (17, 104713240), (20, 89006254), (34, 52356620), (40, 44503127), (68, 26178310), (85, 20942648), (136, 13089155), (170, 10471324), (340, 5235662), (680, 2617831)]