2051245580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{19697}}^1$

素因数の和:19874

約数の個数: 48

約数和(自身を含む): 4447650816

約数和(自身を除く): 2396405236

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 164, 205, 254, 410, 508, 635, 820, 1270, 2540, 5207, 10414, 19697, 20828, 26035, 39394, 52070, 78788, 98485, 104140, 196970, 393940, 807577, 1615154, 2501519, 3230308, 4037885, 5003038, 8075770, 10006076, 12507595, 16151540, 25015190, 50030380, 102562279, 205124558, 410249116, 512811395, 1025622790, 2051245580]

約数ペア:

[(1, 2051245580), (2, 1025622790), (4, 512811395), (5, 410249116), (10, 205124558), (20, 102562279), (41, 50030380), (82, 25015190), (127, 16151540), (164, 12507595), (205, 10006076), (254, 8075770), (410, 5003038), (508, 4037885), (635, 3230308), (820, 2501519), (1270, 1615154), (2540, 807577), (5207, 393940), (10414, 196970), (19697, 104140), (20828, 98485), (26035, 78788), (39394, 52070)]