1800325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 2428416

約数和(自身を除く): 628091

約数列:

[1, 5, 23, 25, 31, 101, 115, 155, 505, 575, 713, 775, 2323, 2525, 3131, 3565, 11615, 15655, 17825, 58075, 72013, 78275, 360065, 1800325]

約数ペア:

[(1, 1800325), (5, 360065), (23, 78275), (25, 72013), (31, 58075), (101, 17825), (115, 15655), (155, 11615), (505, 3565), (575, 3131), (713, 2525), (775, 2323)]