201651401960

素因数分解:

$2^3\times 5^1\times {\mathrm{9011}}^1\times {\mathrm{559459}}^1$

素因数の和:568481

約数の個数: 32

約数和(自身を含む): 453766816800

約数和(自身を除く): 252115414840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9011, 18022, 36044, 45055, 72088, 90110, 180220, 360440, 559459, 1118918, 2237836, 2797295, 4475672, 5594590, 11189180, 22378360, 5041285049, 10082570098, 20165140196, 25206425245, 40330280392, 50412850490, 100825700980, 201651401960]

約数ペア:

[(1, 201651401960), (2, 100825700980), (4, 50412850490), (5, 40330280392), (8, 25206425245), (10, 20165140196), (20, 10082570098), (40, 5041285049), (9011, 22378360), (18022, 11189180), (36044, 5594590), (45055, 4475672), (72088, 2797295), (90110, 2237836), (180220, 1118918), (360440, 559459)]