18559400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 43791840

約数和(自身を除く): 25232440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1307, 1420, 1775, 2614, 2840, 3550, 5228, 6535, 7100, 10456, 13070, 14200, 26140, 32675, 52280, 65350, 92797, 130700, 185594, 261400, 371188, 463985, 742376, 927970, 1855940, 2319925, 3711880, 4639850, 9279700, 18559400]

約数ペア:

[(1, 18559400), (2, 9279700), (4, 4639850), (5, 3711880), (8, 2319925), (10, 1855940), (20, 927970), (25, 742376), (40, 463985), (50, 371188), (71, 261400), (100, 185594), (142, 130700), (200, 92797), (284, 65350), (355, 52280), (568, 32675), (710, 26140), (1307, 14200), (1420, 13070), (1775, 10456), (2614, 7100), (2840, 6535), (3550, 5228)]