78755080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 182787840

約数和(自身を除く): 104032760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 163, 188, 235, 257, 326, 376, 470, 514, 652, 815, 940, 1028, 1285, 1304, 1630, 1880, 2056, 2570, 3260, 5140, 6520, 7661, 10280, 12079, 15322, 24158, 30644, 38305, 41891, 48316, 60395, 61288, 76610, 83782, 96632, 120790, 153220, 167564, 209455, 241580, 306440, 335128, 418910, 483160, 837820, 1675640, 1968877, 3937754, 7875508, 9844385, 15751016, 19688770, 39377540, 78755080]

約数ペア:

[(1, 78755080), (2, 39377540), (4, 19688770), (5, 15751016), (8, 9844385), (10, 7875508), (20, 3937754), (40, 1968877), (47, 1675640), (94, 837820), (163, 483160), (188, 418910), (235, 335128), (257, 306440), (326, 241580), (376, 209455), (470, 167564), (514, 153220), (652, 120790), (815, 96632), (940, 83782), (1028, 76610), (1285, 61288), (1304, 60395), (1630, 48316), (1880, 41891), (2056, 38305), (2570, 30644), (3260, 24158), (5140, 15322), (6520, 12079), (7661, 10280)]