26322020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 57243648

約数和(自身を除く): 30921628

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 241, 254, 430, 482, 508, 635, 860, 964, 1205, 1270, 2410, 2540, 4820, 5461, 10363, 10922, 20726, 21844, 27305, 30607, 41452, 51815, 54610, 61214, 103630, 109220, 122428, 153035, 207260, 306070, 612140, 1316101, 2632202, 5264404, 6580505, 13161010, 26322020]

約数ペア:

[(1, 26322020), (2, 13161010), (4, 6580505), (5, 5264404), (10, 2632202), (20, 1316101), (43, 612140), (86, 306070), (127, 207260), (172, 153035), (215, 122428), (241, 109220), (254, 103630), (430, 61214), (482, 54610), (508, 51815), (635, 41452), (860, 30607), (964, 27305), (1205, 21844), (1270, 20726), (2410, 10922), (2540, 10363), (4820, 5461)]