81952090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 164180520

約数和(自身を除く): 82228430

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 121, 178, 242, 445, 605, 761, 890, 979, 1210, 1522, 1958, 3805, 4895, 7610, 8371, 9790, 10769, 16742, 21538, 41855, 53845, 67729, 83710, 92081, 107690, 135458, 184162, 338645, 460405, 677290, 745019, 920810, 1490038, 3725095, 7450190, 8195209, 16390418, 40976045, 81952090]

約数ペア:

[(1, 81952090), (2, 40976045), (5, 16390418), (10, 8195209), (11, 7450190), (22, 3725095), (55, 1490038), (89, 920810), (110, 745019), (121, 677290), (178, 460405), (242, 338645), (445, 184162), (605, 135458), (761, 107690), (890, 92081), (979, 83710), (1210, 67729), (1522, 53845), (1958, 41855), (3805, 21538), (4895, 16742), (7610, 10769), (8371, 9790)]