26658140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 61724880

約数和(自身を除く): 35066740

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 73, 76, 95, 124, 146, 155, 190, 292, 310, 365, 380, 589, 620, 730, 961, 1178, 1387, 1460, 1922, 2263, 2356, 2774, 2945, 3844, 4526, 4805, 5548, 5890, 6935, 9052, 9610, 11315, 11780, 13870, 18259, 19220, 22630, 27740, 36518, 42997, 45260, 70153, 73036, 85994, 91295, 140306, 171988, 182590, 214985, 280612, 350765, 365180, 429970, 701530, 859940, 1332907, 1403060, 2665814, 5331628, 6664535, 13329070, 26658140]

約数ペア:

[(1, 26658140), (2, 13329070), (4, 6664535), (5, 5331628), (10, 2665814), (19, 1403060), (20, 1332907), (31, 859940), (38, 701530), (62, 429970), (73, 365180), (76, 350765), (95, 280612), (124, 214985), (146, 182590), (155, 171988), (190, 140306), (292, 91295), (310, 85994), (365, 73036), (380, 70153), (589, 45260), (620, 42997), (730, 36518), (961, 27740), (1178, 22630), (1387, 19220), (1460, 18259), (1922, 13870), (2263, 11780), (2356, 11315), (2774, 9610), (2945, 9052), (3844, 6935), (4526, 5890), (4805, 5548)]