64265000

素因数分解:

$2^3\times 5^4\times {\mathrm{12853}}^1$

素因数の和:12879

約数の個数: 40

約数和(自身を含む): 150584610

約数和(自身を除く): 86319610

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 12853, 25706, 51412, 64265, 102824, 128530, 257060, 321325, 514120, 642650, 1285300, 1606625, 2570600, 3213250, 6426500, 8033125, 12853000, 16066250, 32132500, 64265000]

約数ペア:

[(1, 64265000), (2, 32132500), (4, 16066250), (5, 12853000), (8, 8033125), (10, 6426500), (20, 3213250), (25, 2570600), (40, 1606625), (50, 1285300), (100, 642650), (125, 514120), (200, 321325), (250, 257060), (500, 128530), (625, 102824), (1000, 64265), (1250, 51412), (2500, 25706), (5000, 12853)]