4080775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 5428224

約数和(自身を除く): 1347449

約数列:

[1, 5, 23, 25, 47, 115, 151, 235, 575, 755, 1081, 1175, 3473, 3775, 5405, 7097, 17365, 27025, 35485, 86825, 163231, 177425, 816155, 4080775]

約数ペア:

[(1, 4080775), (5, 816155), (23, 177425), (25, 163231), (47, 86825), (115, 35485), (151, 27025), (235, 17365), (575, 7097), (755, 5405), (1081, 3775), (1175, 3473)]