51242080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18839}}^1$

素因数の和:18871

約数の個数: 48

約数和(自身を含む): 128187360

約数和(自身を除く): 76945280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 18839, 37678, 75356, 94195, 150712, 188390, 301424, 320263, 376780, 602848, 640526, 753560, 1281052, 1507120, 1601315, 2562104, 3014240, 3202630, 5124208, 6405260, 10248416, 12810520, 25621040, 51242080]

約数ペア:

[(1, 51242080), (2, 25621040), (4, 12810520), (5, 10248416), (8, 6405260), (10, 5124208), (16, 3202630), (17, 3014240), (20, 2562104), (32, 1601315), (34, 1507120), (40, 1281052), (68, 753560), (80, 640526), (85, 602848), (136, 376780), (160, 320263), (170, 301424), (272, 188390), (340, 150712), (544, 94195), (680, 75356), (1360, 37678), (2720, 18839)]