23545780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 51120720

約数和(自身を除く): 27574940

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 229, 265, 388, 458, 485, 530, 916, 970, 1060, 1145, 1940, 2290, 4580, 5141, 10282, 12137, 20564, 22213, 24274, 25705, 44426, 48548, 51410, 60685, 88852, 102820, 111065, 121370, 222130, 242740, 444260, 1177289, 2354578, 4709156, 5886445, 11772890, 23545780]

約数ペア:

[(1, 23545780), (2, 11772890), (4, 5886445), (5, 4709156), (10, 2354578), (20, 1177289), (53, 444260), (97, 242740), (106, 222130), (194, 121370), (212, 111065), (229, 102820), (265, 88852), (388, 60685), (458, 51410), (485, 48548), (530, 44426), (916, 25705), (970, 24274), (1060, 22213), (1145, 20564), (1940, 12137), (2290, 10282), (4580, 5141)]