98807680

素因数分解:

$2^7\times 5^1\times {\mathrm{154387}}^1$

素因数の和:154406

約数の個数: 32

約数和(自身を含む): 236213640

約数和(自身を除く): 137405960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 154387, 308774, 617548, 771935, 1235096, 1543870, 2470192, 3087740, 4940384, 6175480, 9880768, 12350960, 19761536, 24701920, 49403840, 98807680]

約数ペア:

[(1, 98807680), (2, 49403840), (4, 24701920), (5, 19761536), (8, 12350960), (10, 9880768), (16, 6175480), (20, 4940384), (32, 3087740), (40, 2470192), (64, 1543870), (80, 1235096), (128, 771935), (160, 617548), (320, 308774), (640, 154387)]