27478180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{433}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 33767900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 433, 668, 835, 866, 1670, 1732, 2165, 3173, 3340, 4330, 6346, 8227, 8660, 12692, 15865, 16454, 31730, 32908, 41135, 63460, 72311, 82270, 144622, 164540, 289244, 361555, 723110, 1373909, 1446220, 2747818, 5495636, 6869545, 13739090, 27478180]

約数ペア:

[(1, 27478180), (2, 13739090), (4, 6869545), (5, 5495636), (10, 2747818), (19, 1446220), (20, 1373909), (38, 723110), (76, 361555), (95, 289244), (167, 164540), (190, 144622), (334, 82270), (380, 72311), (433, 63460), (668, 41135), (835, 32908), (866, 31730), (1670, 16454), (1732, 15865), (2165, 12692), (3173, 8660), (3340, 8227), (4330, 6346)]