51998780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83869}}^1$

素因数の和:83909

約数の個数: 24

約数和(自身を含む): 112721280

約数和(自身を除く): 60722500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 83869, 167738, 335476, 419345, 838690, 1677380, 2599939, 5199878, 10399756, 12999695, 25999390, 51998780]

約数ペア:

[(1, 51998780), (2, 25999390), (4, 12999695), (5, 10399756), (10, 5199878), (20, 2599939), (31, 1677380), (62, 838690), (124, 419345), (155, 335476), (310, 167738), (620, 83869)]