65593120

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2081}}^1$

素因数の和:2293

約数の個数: 48

約数和(自身を含む): 155825208

約数和(自身を除く): 90232088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2081, 3152, 3940, 4162, 6304, 7880, 8324, 10405, 15760, 16648, 20810, 31520, 33296, 41620, 66592, 83240, 166480, 332960, 409957, 819914, 1639828, 2049785, 3279656, 4099570, 6559312, 8199140, 13118624, 16398280, 32796560, 65593120]

約数ペア:

[(1, 65593120), (2, 32796560), (4, 16398280), (5, 13118624), (8, 8199140), (10, 6559312), (16, 4099570), (20, 3279656), (32, 2049785), (40, 1639828), (80, 819914), (160, 409957), (197, 332960), (394, 166480), (788, 83240), (985, 66592), (1576, 41620), (1970, 33296), (2081, 31520), (3152, 20810), (3940, 16648), (4162, 15760), (6304, 10405), (7880, 8324)]