80144272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{1033}}^1$

素因数の和:1427

約数の個数: 40

約数和(自身を含む): 167834744

約数和(自身を除く): 87690472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 373, 746, 1033, 1492, 2066, 2984, 4132, 4849, 5968, 8264, 9698, 13429, 16528, 19396, 26858, 38792, 53716, 77584, 107432, 214864, 385309, 770618, 1541236, 3082472, 5009017, 6164944, 10018034, 20036068, 40072136, 80144272]

約数ペア:

[(1, 80144272), (2, 40072136), (4, 20036068), (8, 10018034), (13, 6164944), (16, 5009017), (26, 3082472), (52, 1541236), (104, 770618), (208, 385309), (373, 214864), (746, 107432), (1033, 77584), (1492, 53716), (2066, 38792), (2984, 26858), (4132, 19396), (4849, 16528), (5968, 13429), (8264, 9698)]