51467440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20753}}^1$

素因数の和:20797

約数の個数: 40

約数和(自身を含む): 123527808

約数和(自身を除く): 72060368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20753, 41506, 83012, 103765, 166024, 207530, 332048, 415060, 643343, 830120, 1286686, 1660240, 2573372, 3216715, 5146744, 6433430, 10293488, 12866860, 25733720, 51467440]

約数ペア:

[(1, 51467440), (2, 25733720), (4, 12866860), (5, 10293488), (8, 6433430), (10, 5146744), (16, 3216715), (20, 2573372), (31, 1660240), (40, 1286686), (62, 830120), (80, 643343), (124, 415060), (155, 332048), (248, 207530), (310, 166024), (496, 103765), (620, 83012), (1240, 41506), (2480, 20753)]