64851560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85331}}^1$

素因数の和:85361

約数の個数: 32

約数和(自身を含む): 153597600

約数和(自身を除く): 88746040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 85331, 170662, 341324, 426655, 682648, 853310, 1621289, 1706620, 3242578, 3413240, 6485156, 8106445, 12970312, 16212890, 32425780, 64851560]

約数ペア:

[(1, 64851560), (2, 32425780), (4, 16212890), (5, 12970312), (8, 8106445), (10, 6485156), (19, 3413240), (20, 3242578), (38, 1706620), (40, 1621289), (76, 853310), (95, 682648), (152, 426655), (190, 341324), (380, 170662), (760, 85331)]