84105760

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12821}}^1$

素因数の和:12877

約数の個数: 48

約数和(自身を含む): 203562072

約数和(自身を除く): 119456312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12821, 25642, 51284, 64105, 102568, 128210, 205136, 256420, 410272, 512840, 525661, 1025680, 1051322, 2051360, 2102644, 2628305, 4205288, 5256610, 8410576, 10513220, 16821152, 21026440, 42052880, 84105760]

約数ペア:

[(1, 84105760), (2, 42052880), (4, 21026440), (5, 16821152), (8, 10513220), (10, 8410576), (16, 5256610), (20, 4205288), (32, 2628305), (40, 2102644), (41, 2051360), (80, 1051322), (82, 1025680), (160, 525661), (164, 512840), (205, 410272), (328, 256420), (410, 205136), (656, 128210), (820, 102568), (1312, 64105), (1640, 51284), (3280, 25642), (6560, 12821)]