131881760

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8161}}^1$

素因数の和:8277

約数の個数: 48

約数和(自身を含む): 314694072

約数和(自身を除く): 182812312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 8161, 16160, 16322, 32644, 40805, 65288, 81610, 130576, 163220, 261152, 326440, 652880, 824261, 1305760, 1648522, 3297044, 4121305, 6594088, 8242610, 13188176, 16485220, 26376352, 32970440, 65940880, 131881760]

約数ペア:

[(1, 131881760), (2, 65940880), (4, 32970440), (5, 26376352), (8, 16485220), (10, 13188176), (16, 8242610), (20, 6594088), (32, 4121305), (40, 3297044), (80, 1648522), (101, 1305760), (160, 824261), (202, 652880), (404, 326440), (505, 261152), (808, 163220), (1010, 130576), (1616, 81610), (2020, 65288), (3232, 40805), (4040, 32644), (8080, 16322), (8161, 16160)]