1380456860

素因数分解:

$2^2\times 5^1\times {\mathrm{6211}}^1\times {\mathrm{11113}}^1$

素因数の和:17333

約数の個数: 24

約数和(自身を含む): 2899687056

約数和(自身を除く): 1519230196

約数列:

[1, 2, 4, 5, 10, 20, 6211, 11113, 12422, 22226, 24844, 31055, 44452, 55565, 62110, 111130, 124220, 222260, 69022843, 138045686, 276091372, 345114215, 690228430, 1380456860]

約数ペア:

[(1, 1380456860), (2, 690228430), (4, 345114215), (5, 276091372), (10, 138045686), (20, 69022843), (6211, 222260), (11113, 124220), (12422, 111130), (22226, 62110), (24844, 55565), (31055, 44452)]