31004867780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1\times {\mathrm{16691}}^1$

素因数の和:17540

約数の個数: 48

約数和(自身を含む): 65703718080

約数和(自身を除く): 34698850300

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 709, 1310, 1418, 2620, 2836, 3545, 7090, 14180, 16691, 33382, 66764, 83455, 92879, 166910, 185758, 333820, 371516, 464395, 928790, 1857580, 2186521, 4373042, 8746084, 10932605, 11833919, 21865210, 23667838, 43730420, 47335676, 59169595, 118339190, 236678380, 1550243389, 3100486778, 6200973556, 7751216945, 15502433890, 31004867780]

約数ペア:

[(1, 31004867780), (2, 15502433890), (4, 7751216945), (5, 6200973556), (10, 3100486778), (20, 1550243389), (131, 236678380), (262, 118339190), (524, 59169595), (655, 47335676), (709, 43730420), (1310, 23667838), (1418, 21865210), (2620, 11833919), (2836, 10932605), (3545, 8746084), (7090, 4373042), (14180, 2186521), (16691, 1857580), (33382, 928790), (66764, 464395), (83455, 371516), (92879, 333820), (166910, 185758)]