81736240

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17317}}^1$

素因数の和:17389

約数の個数: 40

約数和(自身を含む): 193268880

約数和(自身を除く): 111532640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 17317, 34634, 69268, 86585, 138536, 173170, 277072, 346340, 692680, 1021703, 1385360, 2043406, 4086812, 5108515, 8173624, 10217030, 16347248, 20434060, 40868120, 81736240]

約数ペア:

[(1, 81736240), (2, 40868120), (4, 20434060), (5, 16347248), (8, 10217030), (10, 8173624), (16, 5108515), (20, 4086812), (40, 2043406), (59, 1385360), (80, 1021703), (118, 692680), (236, 346340), (295, 277072), (472, 173170), (590, 138536), (944, 86585), (1180, 69268), (2360, 34634), (4720, 17317)]