1375960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 3175200

約数和(自身を除く): 1799240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 839, 1640, 1678, 3356, 4195, 6712, 8390, 16780, 33560, 34399, 68798, 137596, 171995, 275192, 343990, 687980, 1375960]

約数ペア:

[(1, 1375960), (2, 687980), (4, 343990), (5, 275192), (8, 171995), (10, 137596), (20, 68798), (40, 34399), (41, 33560), (82, 16780), (164, 8390), (205, 6712), (328, 4195), (410, 3356), (820, 1678), (839, 1640)]