64736540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7177}}^1$

素因数の和:7238

約数の個数: 48

約数和(自身を含む): 151943904

約数和(自身を除く): 87207364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 7177, 9020, 14354, 28708, 35885, 71770, 78947, 143540, 157894, 294257, 315788, 394735, 588514, 789470, 1177028, 1471285, 1578940, 2942570, 3236827, 5885140, 6473654, 12947308, 16184135, 32368270, 64736540]

約数ペア:

[(1, 64736540), (2, 32368270), (4, 16184135), (5, 12947308), (10, 6473654), (11, 5885140), (20, 3236827), (22, 2942570), (41, 1578940), (44, 1471285), (55, 1177028), (82, 789470), (110, 588514), (164, 394735), (205, 315788), (220, 294257), (410, 157894), (451, 143540), (820, 78947), (902, 71770), (1804, 35885), (2255, 28708), (4510, 14354), (7177, 9020)]