20163340640

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1595201}}^1$

素因数の和:1595295

約数の個数: 48

約数和(自身を含む): 48238908480

約数和(自身を除く): 28075567840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 1595201, 3190402, 6380804, 7976005, 12761608, 15952010, 25523216, 31904020, 51046432, 63808040, 126020879, 127616080, 252041758, 255232160, 504083516, 630104395, 1008167032, 1260208790, 2016334064, 2520417580, 4032668128, 5040835160, 10081670320, 20163340640]

約数ペア:

[(1, 20163340640), (2, 10081670320), (4, 5040835160), (5, 4032668128), (8, 2520417580), (10, 2016334064), (16, 1260208790), (20, 1008167032), (32, 630104395), (40, 504083516), (79, 255232160), (80, 252041758), (158, 127616080), (160, 126020879), (316, 63808040), (395, 51046432), (632, 31904020), (790, 25523216), (1264, 15952010), (1580, 12761608), (2528, 7976005), (3160, 6380804), (6320, 3190402), (12640, 1595201)]