40790440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10513}}^1$

素因数の和:10621

約数の個数: 32

約数和(自身を含む): 92733480

約数和(自身を除く): 51943040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 10513, 21026, 42052, 52565, 84104, 105130, 210260, 420520, 1019761, 2039522, 4079044, 5098805, 8158088, 10197610, 20395220, 40790440]

約数ペア:

[(1, 40790440), (2, 20395220), (4, 10197610), (5, 8158088), (8, 5098805), (10, 4079044), (20, 2039522), (40, 1019761), (97, 420520), (194, 210260), (388, 105130), (485, 84104), (776, 52565), (970, 42052), (1940, 21026), (3880, 10513)]