51228440

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2069}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 115506000

約数和(自身を除く): 64277560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2069, 2476, 3095, 4138, 4952, 6190, 8276, 10345, 12380, 16552, 20690, 24760, 41380, 82760, 1280711, 2561422, 5122844, 6403555, 10245688, 12807110, 25614220, 51228440]

約数ペア:

[(1, 51228440), (2, 25614220), (4, 12807110), (5, 10245688), (8, 6403555), (10, 5122844), (20, 2561422), (40, 1280711), (619, 82760), (1238, 41380), (2069, 24760), (2476, 20690), (3095, 16552), (4138, 12380), (4952, 10345), (6190, 8276)]