210923320

素因数分解:

$2^3\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{3257}}^1$

素因数の和:4887

約数の個数: 32

約数和(自身を含む): 475016400

約数和(自身を除く): 264093080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1619, 3238, 3257, 6476, 6514, 8095, 12952, 13028, 16190, 16285, 26056, 32380, 32570, 64760, 65140, 130280, 5273083, 10546166, 21092332, 26365415, 42184664, 52730830, 105461660, 210923320]

約数ペア:

[(1, 210923320), (2, 105461660), (4, 52730830), (5, 42184664), (8, 26365415), (10, 21092332), (20, 10546166), (40, 5273083), (1619, 130280), (3238, 65140), (3257, 64760), (6476, 32570), (6514, 32380), (8095, 26056), (12952, 16285), (13028, 16190)]