2461960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 5635800

約数和(自身を除く): 3173840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1009, 1220, 2018, 2440, 4036, 5045, 8072, 10090, 20180, 40360, 61549, 123098, 246196, 307745, 492392, 615490, 1230980, 2461960]

約数ペア:

[(1, 2461960), (2, 1230980), (4, 615490), (5, 492392), (8, 307745), (10, 246196), (20, 123098), (40, 61549), (61, 40360), (122, 20180), (244, 10090), (305, 8072), (488, 5045), (610, 4036), (1009, 2440), (1220, 2018)]