205780325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{15619}}^1$

素因数の和:15677

約数の個数: 24

約数和(自身を含む): 278910720

約数和(自身を除く): 73130395

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 2635, 13175, 15619, 78095, 265523, 390475, 484189, 1327615, 2420945, 6638075, 8231213, 12104725, 41156065, 205780325]

約数ペア:

[(1, 205780325), (5, 41156065), (17, 12104725), (25, 8231213), (31, 6638075), (85, 2420945), (155, 1327615), (425, 484189), (527, 390475), (775, 265523), (2635, 78095), (13175, 15619)]