28781650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{10861}}^1$

素因数の和:10926

約数の個数: 24

約数和(自身を含む): 54548964

約数和(自身を除く): 25767314

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 10861, 21722, 54305, 108610, 271525, 543050, 575633, 1151266, 2878165, 5756330, 14390825, 28781650]

約数ペア:

[(1, 28781650), (2, 14390825), (5, 5756330), (10, 2878165), (25, 1151266), (50, 575633), (53, 543050), (106, 271525), (265, 108610), (530, 54305), (1325, 21722), (2650, 10861)]