78829269940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4253}}^1\times {\mathrm{11731}}^1$

素因数の和:16072

約数の個数: 48

約数和(自身を含む): 167690638080

約数和(自身を除く): 88861368140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 4253, 8506, 11731, 17012, 21265, 23462, 42530, 46924, 58655, 85060, 117310, 234620, 335987, 671974, 926749, 1343948, 1679935, 1853498, 3359870, 3706996, 4633745, 6719740, 9267490, 18534980, 49891943, 99783886, 199567772, 249459715, 498919430, 997838860, 3941463497, 7882926994, 15765853988, 19707317485, 39414634970, 78829269940]

約数ペア:

[(1, 78829269940), (2, 39414634970), (4, 19707317485), (5, 15765853988), (10, 7882926994), (20, 3941463497), (79, 997838860), (158, 498919430), (316, 249459715), (395, 199567772), (790, 99783886), (1580, 49891943), (4253, 18534980), (8506, 9267490), (11731, 6719740), (17012, 4633745), (21265, 3706996), (23462, 3359870), (42530, 1853498), (46924, 1679935), (58655, 1343948), (85060, 926749), (117310, 671974), (234620, 335987)]