140789080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{85847}}^1$

素因数の和:85899

約数の個数: 32

約数和(自身を含む): 324505440

約数和(自身を除く): 183716360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 85847, 171694, 343388, 429235, 686776, 858470, 1716940, 3433880, 3519727, 7039454, 14078908, 17598635, 28157816, 35197270, 70394540, 140789080]

約数ペア:

[(1, 140789080), (2, 70394540), (4, 35197270), (5, 28157816), (8, 17598635), (10, 14078908), (20, 7039454), (40, 3519727), (41, 3433880), (82, 1716940), (164, 858470), (205, 686776), (328, 429235), (410, 343388), (820, 171694), (1640, 85847)]