13052240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 33093120

約数和(自身を除く): 20040880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 277, 304, 310, 380, 496, 554, 589, 620, 760, 1108, 1178, 1240, 1385, 1520, 2216, 2356, 2480, 2770, 2945, 4432, 4712, 5263, 5540, 5890, 8587, 9424, 10526, 11080, 11780, 17174, 21052, 22160, 23560, 26315, 34348, 42104, 42935, 47120, 52630, 68696, 84208, 85870, 105260, 137392, 163153, 171740, 210520, 326306, 343480, 421040, 652612, 686960, 815765, 1305224, 1631530, 2610448, 3263060, 6526120, 13052240]

約数ペア:

[(1, 13052240), (2, 6526120), (4, 3263060), (5, 2610448), (8, 1631530), (10, 1305224), (16, 815765), (19, 686960), (20, 652612), (31, 421040), (38, 343480), (40, 326306), (62, 210520), (76, 171740), (80, 163153), (95, 137392), (124, 105260), (152, 85870), (155, 84208), (190, 68696), (248, 52630), (277, 47120), (304, 42935), (310, 42104), (380, 34348), (496, 26315), (554, 23560), (589, 22160), (620, 21052), (760, 17174), (1108, 11780), (1178, 11080), (1240, 10526), (1385, 9424), (1520, 8587), (2216, 5890), (2356, 5540), (2480, 5263), (2770, 4712), (2945, 4432)]