51252920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41333}}^1$

素因数の和:41375

約数の個数: 32

約数和(自身を含む): 119041920

約数和(自身を除く): 67789000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41333, 82666, 165332, 206665, 330664, 413330, 826660, 1281323, 1653320, 2562646, 5125292, 6406615, 10250584, 12813230, 25626460, 51252920]

約数ペア:

[(1, 51252920), (2, 25626460), (4, 12813230), (5, 10250584), (8, 6406615), (10, 5125292), (20, 2562646), (31, 1653320), (40, 1281323), (62, 826660), (124, 413330), (155, 330664), (248, 206665), (310, 165332), (620, 82666), (1240, 41333)]