201581300

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{19571}}^1$

素因数の和:19688

約数の個数: 36

約数和(自身を含む): 441700896

約数和(自身を除く): 240119596

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 10300, 19571, 39142, 78284, 97855, 195710, 391420, 489275, 978550, 1957100, 2015813, 4031626, 8063252, 10079065, 20158130, 40316260, 50395325, 100790650, 201581300]

約数ペア:

[(1, 201581300), (2, 100790650), (4, 50395325), (5, 40316260), (10, 20158130), (20, 10079065), (25, 8063252), (50, 4031626), (100, 2015813), (103, 1957100), (206, 978550), (412, 489275), (515, 391420), (1030, 195710), (2060, 97855), (2575, 78284), (5150, 39142), (10300, 19571)]