78826520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1823}}^1$

素因数の和:1904

約数の個数: 64

約数和(自身を含む): 189112320

約数和(自身を除く): 110285800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1823, 1880, 2162, 3646, 4324, 5405, 7292, 8648, 9115, 10810, 14584, 18230, 21620, 36460, 41929, 43240, 72920, 83858, 85681, 167716, 171362, 209645, 335432, 342724, 419290, 428405, 685448, 838580, 856810, 1677160, 1713620, 1970663, 3427240, 3941326, 7882652, 9853315, 15765304, 19706630, 39413260, 78826520]

約数ペア:

[(1, 78826520), (2, 39413260), (4, 19706630), (5, 15765304), (8, 9853315), (10, 7882652), (20, 3941326), (23, 3427240), (40, 1970663), (46, 1713620), (47, 1677160), (92, 856810), (94, 838580), (115, 685448), (184, 428405), (188, 419290), (230, 342724), (235, 335432), (376, 209645), (460, 171362), (470, 167716), (920, 85681), (940, 83858), (1081, 72920), (1823, 43240), (1880, 41929), (2162, 36460), (3646, 21620), (4324, 18230), (5405, 14584), (7292, 10810), (8648, 9115)]