26740780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 61671456

約数和(自身を除く): 34930676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 617, 788, 985, 1234, 1970, 2167, 2468, 3085, 3940, 4334, 6170, 6787, 8668, 10835, 12340, 13574, 21670, 27148, 33935, 43340, 67870, 121549, 135740, 243098, 486196, 607745, 1215490, 1337039, 2430980, 2674078, 5348156, 6685195, 13370390, 26740780]

約数ペア:

[(1, 26740780), (2, 13370390), (4, 6685195), (5, 5348156), (10, 2674078), (11, 2430980), (20, 1337039), (22, 1215490), (44, 607745), (55, 486196), (110, 243098), (197, 135740), (220, 121549), (394, 67870), (617, 43340), (788, 33935), (985, 27148), (1234, 21670), (1970, 13574), (2167, 12340), (2468, 10835), (3085, 8668), (3940, 6787), (4334, 6170)]