1810718780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{61631}}^1$

素因数の和:61766

約数の個数: 48

約数和(自身を含む): 4131316224

約数和(自身を除く): 2320597444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2938, 5876, 7345, 14690, 29380, 61631, 123262, 246524, 308155, 616310, 801203, 1232620, 1602406, 3204812, 4006015, 6964303, 8012030, 13928606, 16024060, 27857212, 34821515, 69643030, 90535939, 139286060, 181071878, 362143756, 452679695, 905359390, 1810718780]

約数ペア:

[(1, 1810718780), (2, 905359390), (4, 452679695), (5, 362143756), (10, 181071878), (13, 139286060), (20, 90535939), (26, 69643030), (52, 34821515), (65, 27857212), (113, 16024060), (130, 13928606), (226, 8012030), (260, 6964303), (452, 4006015), (565, 3204812), (1130, 1602406), (1469, 1232620), (2260, 801203), (2938, 616310), (5876, 308155), (7345, 246524), (14690, 123262), (29380, 61631)]