64489010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1091}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 121709952

約数和(自身を除く): 57220942

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 257, 514, 1091, 1285, 2182, 2570, 5455, 5911, 10910, 11822, 25093, 29555, 50186, 59110, 125465, 250930, 280387, 560774, 1401935, 2803870, 6448901, 12897802, 32244505, 64489010]

約数ペア:

[(1, 64489010), (2, 32244505), (5, 12897802), (10, 6448901), (23, 2803870), (46, 1401935), (115, 560774), (230, 280387), (257, 250930), (514, 125465), (1091, 59110), (1285, 50186), (2182, 29555), (2570, 25093), (5455, 11822), (5911, 10910)]