39945760

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8609}}^1$

素因数の和:8653

約数の個数: 48

約数和(自身を含む): 97637400

約数和(自身を除く): 57691640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 8609, 17218, 34436, 43045, 68872, 86090, 137744, 172180, 249661, 275488, 344360, 499322, 688720, 998644, 1248305, 1377440, 1997288, 2496610, 3994576, 4993220, 7989152, 9986440, 19972880, 39945760]

約数ペア:

[(1, 39945760), (2, 19972880), (4, 9986440), (5, 7989152), (8, 4993220), (10, 3994576), (16, 2496610), (20, 1997288), (29, 1377440), (32, 1248305), (40, 998644), (58, 688720), (80, 499322), (116, 344360), (145, 275488), (160, 249661), (232, 172180), (290, 137744), (464, 86090), (580, 68872), (928, 43045), (1160, 34436), (2320, 17218), (4640, 8609)]