27858520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 66251520

約数和(自身を除く): 38393000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 107, 115, 184, 214, 230, 283, 428, 460, 535, 566, 856, 920, 1070, 1132, 1415, 2140, 2264, 2461, 2830, 4280, 4922, 5660, 6509, 9844, 11320, 12305, 13018, 19688, 24610, 26036, 30281, 32545, 49220, 52072, 60562, 65090, 98440, 121124, 130180, 151405, 242248, 260360, 302810, 605620, 696463, 1211240, 1392926, 2785852, 3482315, 5571704, 6964630, 13929260, 27858520]

約数ペア:

[(1, 27858520), (2, 13929260), (4, 6964630), (5, 5571704), (8, 3482315), (10, 2785852), (20, 1392926), (23, 1211240), (40, 696463), (46, 605620), (92, 302810), (107, 260360), (115, 242248), (184, 151405), (214, 130180), (230, 121124), (283, 98440), (428, 65090), (460, 60562), (535, 52072), (566, 49220), (856, 32545), (920, 30281), (1070, 26036), (1132, 24610), (1415, 19688), (2140, 13018), (2264, 12305), (2461, 11320), (2830, 9844), (4280, 6509), (4922, 5660)]