205668880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 498253824

約数和(自身を除く): 292584944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 653, 1016, 1240, 1270, 1306, 2032, 2480, 2540, 2612, 3265, 3937, 5080, 5224, 6530, 7874, 10160, 10448, 13060, 15748, 19685, 20243, 26120, 31496, 39370, 40486, 52240, 62992, 78740, 80972, 82931, 101215, 157480, 161944, 165862, 202430, 314960, 323888, 331724, 404860, 414655, 663448, 809720, 829310, 1326896, 1619440, 1658620, 2570861, 3317240, 5141722, 6634480, 10283444, 12854305, 20566888, 25708610, 41133776, 51417220, 102834440, 205668880]

約数ペア:

[(1, 205668880), (2, 102834440), (4, 51417220), (5, 41133776), (8, 25708610), (10, 20566888), (16, 12854305), (20, 10283444), (31, 6634480), (40, 5141722), (62, 3317240), (80, 2570861), (124, 1658620), (127, 1619440), (155, 1326896), (248, 829310), (254, 809720), (310, 663448), (496, 414655), (508, 404860), (620, 331724), (635, 323888), (653, 314960), (1016, 202430), (1240, 165862), (1270, 161944), (1306, 157480), (2032, 101215), (2480, 82931), (2540, 80972), (2612, 78740), (3265, 62992), (3937, 52240), (5080, 40486), (5224, 39370), (6530, 31496), (7874, 26120), (10160, 20243), (10448, 19685), (13060, 15748)]