81083320

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10613}}^1$

素因数の和:10815

約数の個数: 32

約数和(自身を含む): 183409920

約数和(自身を除く): 102326600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 10613, 21226, 42452, 53065, 84904, 106130, 212260, 424520, 2027083, 4054166, 8108332, 10135415, 16216664, 20270830, 40541660, 81083320]

約数ペア:

[(1, 81083320), (2, 40541660), (4, 20270830), (5, 16216664), (8, 10135415), (10, 8108332), (20, 4054166), (40, 2027083), (191, 424520), (382, 212260), (764, 106130), (955, 84904), (1528, 53065), (1910, 42452), (3820, 21226), (7640, 10613)]