99690440

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{2441}}^1$

素因数の和:3473

約数の個数: 32

約数和(自身を含む): 224615160

約数和(自身を除く): 124924720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 2042, 2441, 4084, 4882, 5105, 8168, 9764, 10210, 12205, 19528, 20420, 24410, 40840, 48820, 97640, 2492261, 4984522, 9969044, 12461305, 19938088, 24922610, 49845220, 99690440]

約数ペア:

[(1, 99690440), (2, 49845220), (4, 24922610), (5, 19938088), (8, 12461305), (10, 9969044), (20, 4984522), (40, 2492261), (1021, 97640), (2042, 48820), (2441, 40840), (4084, 24410), (4882, 20420), (5105, 19528), (8168, 12205), (9764, 10210)]