26141420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 30740020

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 269, 430, 452, 538, 565, 860, 1076, 1130, 1345, 2260, 2690, 4859, 5380, 9718, 11567, 19436, 23134, 24295, 30397, 46268, 48590, 57835, 60794, 97180, 115670, 121588, 151985, 231340, 303970, 607940, 1307071, 2614142, 5228284, 6535355, 13070710, 26141420]

約数ペア:

[(1, 26141420), (2, 13070710), (4, 6535355), (5, 5228284), (10, 2614142), (20, 1307071), (43, 607940), (86, 303970), (113, 231340), (172, 151985), (215, 121588), (226, 115670), (269, 97180), (430, 60794), (452, 57835), (538, 48590), (565, 46268), (860, 30397), (1076, 24295), (1130, 23134), (1345, 19436), (2260, 11567), (2690, 9718), (4859, 5380)]