88839440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 219241920

約数和(自身を除く): 130402480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 211, 277, 304, 380, 422, 554, 760, 844, 1055, 1108, 1385, 1520, 1688, 2110, 2216, 2770, 3376, 4009, 4220, 4432, 5263, 5540, 8018, 8440, 10526, 11080, 16036, 16880, 20045, 21052, 22160, 26315, 32072, 40090, 42104, 52630, 58447, 64144, 80180, 84208, 105260, 116894, 160360, 210520, 233788, 292235, 320720, 421040, 467576, 584470, 935152, 1110493, 1168940, 2220986, 2337880, 4441972, 4675760, 5552465, 8883944, 11104930, 17767888, 22209860, 44419720, 88839440]

約数ペア:

[(1, 88839440), (2, 44419720), (4, 22209860), (5, 17767888), (8, 11104930), (10, 8883944), (16, 5552465), (19, 4675760), (20, 4441972), (38, 2337880), (40, 2220986), (76, 1168940), (80, 1110493), (95, 935152), (152, 584470), (190, 467576), (211, 421040), (277, 320720), (304, 292235), (380, 233788), (422, 210520), (554, 160360), (760, 116894), (844, 105260), (1055, 84208), (1108, 80180), (1385, 64144), (1520, 58447), (1688, 52630), (2110, 42104), (2216, 40090), (2770, 32072), (3376, 26315), (4009, 22160), (4220, 21052), (4432, 20045), (5263, 16880), (5540, 16036), (8018, 11080), (8440, 10526)]