8262980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 20067264

約数和(自身を除く): 11804284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 71, 92, 110, 115, 142, 220, 230, 253, 284, 355, 460, 506, 529, 710, 781, 1012, 1058, 1265, 1420, 1562, 1633, 2116, 2530, 2645, 3124, 3266, 3905, 5060, 5290, 5819, 6532, 7810, 8165, 10580, 11638, 15620, 16330, 17963, 23276, 29095, 32660, 35926, 37559, 58190, 71852, 75118, 89815, 116380, 150236, 179630, 187795, 359260, 375590, 413149, 751180, 826298, 1652596, 2065745, 4131490, 8262980]

約数ペア:

[(1, 8262980), (2, 4131490), (4, 2065745), (5, 1652596), (10, 826298), (11, 751180), (20, 413149), (22, 375590), (23, 359260), (44, 187795), (46, 179630), (55, 150236), (71, 116380), (92, 89815), (110, 75118), (115, 71852), (142, 58190), (220, 37559), (230, 35926), (253, 32660), (284, 29095), (355, 23276), (460, 17963), (506, 16330), (529, 15620), (710, 11638), (781, 10580), (1012, 8165), (1058, 7810), (1265, 6532), (1420, 5819), (1562, 5290), (1633, 5060), (2116, 3905), (2530, 3266), (2645, 3124)]