39998800

素因数分解:

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

素因数の和:333

約数の個数: 90

約数和(自身を含む): 101787198

約数和(自身を除く): 61788398

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 277, 304, 361, 380, 400, 475, 554, 722, 760, 950, 1108, 1385, 1444, 1520, 1805, 1900, 2216, 2770, 2888, 3610, 3800, 4432, 5263, 5540, 5776, 6925, 7220, 7600, 9025, 10526, 11080, 13850, 14440, 18050, 21052, 22160, 26315, 27700, 28880, 36100, 42104, 52630, 55400, 72200, 84208, 99997, 105260, 110800, 131575, 144400, 199994, 210520, 263150, 399988, 421040, 499985, 526300, 799976, 999970, 1052600, 1599952, 1999940, 2105200, 2499925, 3999880, 4999850, 7999760, 9999700, 19999400, 39998800]

約数ペア:

[(1, 39998800), (2, 19999400), (4, 9999700), (5, 7999760), (8, 4999850), (10, 3999880), (16, 2499925), (19, 2105200), (20, 1999940), (25, 1599952), (38, 1052600), (40, 999970), (50, 799976), (76, 526300), (80, 499985), (95, 421040), (100, 399988), (152, 263150), (190, 210520), (200, 199994), (277, 144400), (304, 131575), (361, 110800), (380, 105260), (400, 99997), (475, 84208), (554, 72200), (722, 55400), (760, 52630), (950, 42104), (1108, 36100), (1385, 28880), (1444, 27700), (1520, 26315), (1805, 22160), (1900, 21052), (2216, 18050), (2770, 14440), (2888, 13850), (3610, 11080), (3800, 10526), (4432, 9025), (5263, 7600), (5540, 7220), (5776, 6925)]