1888156640

素因数分解:

$2^5\times 5^1\times {\mathrm{643}}^1\times {\mathrm{18353}}^1$

素因数の和:19011

約数の個数: 48

約数和(自身を含む): 4467950928

約数和(自身を除く): 2579794288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 643, 1286, 2572, 3215, 5144, 6430, 10288, 12860, 18353, 20576, 25720, 36706, 51440, 73412, 91765, 102880, 146824, 183530, 293648, 367060, 587296, 734120, 1468240, 2936480, 11800979, 23601958, 47203916, 59004895, 94407832, 118009790, 188815664, 236019580, 377631328, 472039160, 944078320, 1888156640]

約数ペア:

[(1, 1888156640), (2, 944078320), (4, 472039160), (5, 377631328), (8, 236019580), (10, 188815664), (16, 118009790), (20, 94407832), (32, 59004895), (40, 47203916), (80, 23601958), (160, 11800979), (643, 2936480), (1286, 1468240), (2572, 734120), (3215, 587296), (5144, 367060), (6430, 293648), (10288, 183530), (12860, 146824), (18353, 102880), (20576, 91765), (25720, 73412), (36706, 51440)]