139730440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{36013}}^1$

素因数の和:36121

約数の個数: 32

約数和(自身を含む): 317643480

約数和(自身を除く): 177913040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 36013, 72026, 144052, 180065, 288104, 360130, 720260, 1440520, 3493261, 6986522, 13973044, 17466305, 27946088, 34932610, 69865220, 139730440]

約数ペア:

[(1, 139730440), (2, 69865220), (4, 34932610), (5, 27946088), (8, 17466305), (10, 13973044), (20, 6986522), (40, 3493261), (97, 1440520), (194, 720260), (388, 360130), (485, 288104), (776, 180065), (970, 144052), (1940, 72026), (3880, 36013)]