201016520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{32009}}^1$

素因数の和:32177

約数の個数: 32

約数和(自身を含む): 455182200

約数和(自身を除く): 254165680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 32009, 64018, 128036, 160045, 256072, 320090, 640180, 1280360, 5025413, 10050826, 20101652, 25127065, 40203304, 50254130, 100508260, 201016520]

約数ペア:

[(1, 201016520), (2, 100508260), (4, 50254130), (5, 40203304), (8, 25127065), (10, 20101652), (20, 10050826), (40, 5025413), (157, 1280360), (314, 640180), (628, 320090), (785, 256072), (1256, 160045), (1570, 128036), (3140, 64018), (6280, 32009)]