99739760

素因数分解:

$2^4\times 5^1\times {\mathrm{1246747}}^1$

素因数の和:1246760

約数の個数: 20

約数和(自身を含む): 231895128

約数和(自身を除く): 132155368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1246747, 2493494, 4986988, 6233735, 9973976, 12467470, 19947952, 24934940, 49869880, 99739760]

約数ペア:

[(1, 99739760), (2, 49869880), (4, 24934940), (5, 19947952), (8, 12467470), (10, 9973976), (16, 6233735), (20, 4986988), (40, 2493494), (80, 1246747)]