39240380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 84460320

約数和(自身を除く): 45219940

約数列:

[1, 2, 4, 5, 10, 20, 97, 113, 179, 194, 226, 358, 388, 452, 485, 565, 716, 895, 970, 1130, 1790, 1940, 2260, 3580, 10961, 17363, 20227, 21922, 34726, 40454, 43844, 54805, 69452, 80908, 86815, 101135, 109610, 173630, 202270, 219220, 347260, 404540, 1962019, 3924038, 7848076, 9810095, 19620190, 39240380]

約数ペア:

[(1, 39240380), (2, 19620190), (4, 9810095), (5, 7848076), (10, 3924038), (20, 1962019), (97, 404540), (113, 347260), (179, 219220), (194, 202270), (226, 173630), (358, 109610), (388, 101135), (452, 86815), (485, 80908), (565, 69452), (716, 54805), (895, 43844), (970, 40454), (1130, 34726), (1790, 21922), (1940, 20227), (2260, 17363), (3580, 10961)]