1948640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 4853520

約数和(自身を除く): 2904880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 641, 760, 1282, 1520, 2564, 3040, 3205, 5128, 6410, 10256, 12179, 12820, 20512, 24358, 25640, 48716, 51280, 60895, 97432, 102560, 121790, 194864, 243580, 389728, 487160, 974320, 1948640]

約数ペア:

[(1, 1948640), (2, 974320), (4, 487160), (5, 389728), (8, 243580), (10, 194864), (16, 121790), (19, 102560), (20, 97432), (32, 60895), (38, 51280), (40, 48716), (76, 25640), (80, 24358), (95, 20512), (152, 12820), (160, 12179), (190, 10256), (304, 6410), (380, 5128), (608, 3205), (641, 3040), (760, 2564), (1282, 1520)]