640794110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{54443}}^1$

素因数の和:54568

約数の個数: 32

約数和(自身を含む): 1270069632

約数和(自身を除く): 629275522

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 2354, 5885, 11770, 54443, 108886, 272215, 544430, 598873, 1197746, 2994365, 5825401, 5988730, 11650802, 29127005, 58254010, 64079411, 128158822, 320397055, 640794110]

約数ペア:

[(1, 640794110), (2, 320397055), (5, 128158822), (10, 64079411), (11, 58254010), (22, 29127005), (55, 11650802), (107, 5988730), (110, 5825401), (214, 2994365), (535, 1197746), (1070, 598873), (1177, 544430), (2354, 272215), (5885, 108886), (11770, 54443)]