65517340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20347}}^1$

素因数の和:20386

約数の個数: 48

約数和(自身を含む): 164086272

約数和(自身を除く): 98568932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 20347, 40694, 81388, 101735, 142429, 203470, 284858, 406940, 467981, 569716, 712145, 935962, 1424290, 1871924, 2339905, 2848580, 3275867, 4679810, 6551734, 9359620, 13103468, 16379335, 32758670, 65517340]

約数ペア:

[(1, 65517340), (2, 32758670), (4, 16379335), (5, 13103468), (7, 9359620), (10, 6551734), (14, 4679810), (20, 3275867), (23, 2848580), (28, 2339905), (35, 1871924), (46, 1424290), (70, 935962), (92, 712145), (115, 569716), (140, 467981), (161, 406940), (230, 284858), (322, 203470), (460, 142429), (644, 101735), (805, 81388), (1610, 40694), (3220, 20347)]