27601460

素因数分解:

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

素因数の和:2803

約数の個数: 24

約数和(自身を含む): 58080456

約数和(自身を除く): 30478996

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2153, 2564, 3205, 4306, 6410, 8612, 10765, 12820, 21530, 43060, 1380073, 2760146, 5520292, 6900365, 13800730, 27601460]

約数ペア:

[(1, 27601460), (2, 13800730), (4, 6900365), (5, 5520292), (10, 2760146), (20, 1380073), (641, 43060), (1282, 21530), (2153, 12820), (2564, 10765), (3205, 8612), (4306, 6410)]