20161301590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1\times {\mathrm{1811}}^1$

素因数の和:2437

約数の個数: 64

約数和(自身を含む): 38356416000

約数和(自身を除く): 18195114410

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 499, 970, 998, 1811, 2231, 2495, 3622, 4462, 4990, 9055, 11155, 11477, 18110, 22310, 22954, 41653, 48403, 57385, 83306, 96806, 114770, 175667, 208265, 242015, 351334, 416530, 484030, 878335, 903689, 1113269, 1756670, 1807378, 2226538, 4040341, 4518445, 5566345, 8080682, 9036890, 11132690, 20201705, 20784847, 40403410, 41569694, 87657833, 103924235, 175315666, 207848470, 438289165, 876578330, 2016130159, 4032260318, 10080650795, 20161301590]

約数ペア:

[(1, 20161301590), (2, 10080650795), (5, 4032260318), (10, 2016130159), (23, 876578330), (46, 438289165), (97, 207848470), (115, 175315666), (194, 103924235), (230, 87657833), (485, 41569694), (499, 40403410), (970, 20784847), (998, 20201705), (1811, 11132690), (2231, 9036890), (2495, 8080682), (3622, 5566345), (4462, 4518445), (4990, 4040341), (9055, 2226538), (11155, 1807378), (11477, 1756670), (18110, 1113269), (22310, 903689), (22954, 878335), (41653, 484030), (48403, 416530), (57385, 351334), (83306, 242015), (96806, 208265), (114770, 175667)]