30895960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18839}}^1$

素因数の和:18891

約数の個数: 32

約数和(自身を含む): 71215200

約数和(自身を除く): 40319240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18839, 37678, 75356, 94195, 150712, 188390, 376780, 753560, 772399, 1544798, 3089596, 3861995, 6179192, 7723990, 15447980, 30895960]

約数ペア:

[(1, 30895960), (2, 15447980), (4, 7723990), (5, 6179192), (8, 3861995), (10, 3089596), (20, 1544798), (40, 772399), (41, 753560), (82, 376780), (164, 188390), (205, 150712), (328, 94195), (410, 75356), (820, 37678), (1640, 18839)]