78732520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{41879}}^1$

素因数の和:41937

約数の個数: 32

約数和(自身を含む): 180921600

約数和(自身を除く): 102189080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 41879, 83758, 167516, 209395, 335032, 418790, 837580, 1675160, 1968313, 3936626, 7873252, 9841565, 15746504, 19683130, 39366260, 78732520]

約数ペア:

[(1, 78732520), (2, 39366260), (4, 19683130), (5, 15746504), (8, 9841565), (10, 7873252), (20, 3936626), (40, 1968313), (47, 1675160), (94, 837580), (188, 418790), (235, 335032), (376, 209395), (470, 167516), (940, 83758), (1880, 41879)]