31999040

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:332

約数の個数: 84

約数和(自身を含む): 80709516

約数和(自身を除く): 48710476

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 277, 304, 320, 361, 380, 554, 608, 722, 760, 1108, 1216, 1385, 1444, 1520, 1805, 2216, 2770, 2888, 3040, 3610, 4432, 5263, 5540, 5776, 6080, 7220, 8864, 10526, 11080, 11552, 14440, 17728, 21052, 22160, 23104, 26315, 28880, 42104, 44320, 52630, 57760, 84208, 88640, 99997, 105260, 115520, 168416, 199994, 210520, 336832, 399988, 421040, 499985, 799976, 842080, 999970, 1599952, 1684160, 1999940, 3199904, 3999880, 6399808, 7999760, 15999520, 31999040]

約数ペア:

[(1, 31999040), (2, 15999520), (4, 7999760), (5, 6399808), (8, 3999880), (10, 3199904), (16, 1999940), (19, 1684160), (20, 1599952), (32, 999970), (38, 842080), (40, 799976), (64, 499985), (76, 421040), (80, 399988), (95, 336832), (152, 210520), (160, 199994), (190, 168416), (277, 115520), (304, 105260), (320, 99997), (361, 88640), (380, 84208), (554, 57760), (608, 52630), (722, 44320), (760, 42104), (1108, 28880), (1216, 26315), (1385, 23104), (1444, 22160), (1520, 21052), (1805, 17728), (2216, 14440), (2770, 11552), (2888, 11080), (3040, 10526), (3610, 8864), (4432, 7220), (5263, 6080), (5540, 5776)]