39851480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10271}}^1$

素因数の和:10379

約数の個数: 32

約数和(自身を含む): 90599040

約数和(自身を除く): 50747560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 10271, 20542, 41084, 51355, 82168, 102710, 205420, 410840, 996287, 1992574, 3985148, 4981435, 7970296, 9962870, 19925740, 39851480]

約数ペア:

[(1, 39851480), (2, 19925740), (4, 9962870), (5, 7970296), (8, 4981435), (10, 3985148), (20, 1992574), (40, 996287), (97, 410840), (194, 205420), (388, 102710), (485, 82168), (776, 51355), (970, 41084), (1940, 20542), (3880, 10271)]