20191596160

素因数分解:

$2^7\times 5^1\times {\mathrm{631}}^1\times {\mathrm{49999}}^1$

素因数の和:50649

約数の個数: 64

約数和(自身を含む): 48348000000

約数和(自身を除く): 28156403840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 631, 640, 1262, 2524, 3155, 5048, 6310, 10096, 12620, 20192, 25240, 40384, 49999, 50480, 80768, 99998, 100960, 199996, 201920, 249995, 399992, 403840, 499990, 799984, 999980, 1599968, 1999960, 3199936, 3999920, 6399872, 7999840, 15999680, 31549369, 31999360, 63098738, 126197476, 157746845, 252394952, 315493690, 504789904, 630987380, 1009579808, 1261974760, 2019159616, 2523949520, 4038319232, 5047899040, 10095798080, 20191596160]

約数ペア:

[(1, 20191596160), (2, 10095798080), (4, 5047899040), (5, 4038319232), (8, 2523949520), (10, 2019159616), (16, 1261974760), (20, 1009579808), (32, 630987380), (40, 504789904), (64, 315493690), (80, 252394952), (128, 157746845), (160, 126197476), (320, 63098738), (631, 31999360), (640, 31549369), (1262, 15999680), (2524, 7999840), (3155, 6399872), (5048, 3999920), (6310, 3199936), (10096, 1999960), (12620, 1599968), (20192, 999980), (25240, 799984), (40384, 499990), (49999, 403840), (50480, 399992), (80768, 249995), (99998, 201920), (100960, 199996)]