55202920

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2153}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 124458120

約数和(自身を除く): 69255200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2153, 2564, 3205, 4306, 5128, 6410, 8612, 10765, 12820, 17224, 21530, 25640, 43060, 86120, 1380073, 2760146, 5520292, 6900365, 11040584, 13800730, 27601460, 55202920]

約数ペア:

[(1, 55202920), (2, 27601460), (4, 13800730), (5, 11040584), (8, 6900365), (10, 5520292), (20, 2760146), (40, 1380073), (641, 86120), (1282, 43060), (2153, 25640), (2564, 21530), (3205, 17224), (4306, 12820), (5128, 10765), (6410, 8612)]