129398480

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2477}}^1$

素因数の和:3143

約数の個数: 40

約数和(自身を含む): 301433832

約数和(自身を除く): 172035352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2477, 2612, 3265, 4954, 5224, 6530, 9908, 10448, 12385, 13060, 19816, 24770, 26120, 39632, 49540, 52240, 99080, 198160, 1617481, 3234962, 6469924, 8087405, 12939848, 16174810, 25879696, 32349620, 64699240, 129398480]

約数ペア:

[(1, 129398480), (2, 64699240), (4, 32349620), (5, 25879696), (8, 16174810), (10, 12939848), (16, 8087405), (20, 6469924), (40, 3234962), (80, 1617481), (653, 198160), (1306, 99080), (2477, 52240), (2612, 49540), (3265, 39632), (4954, 26120), (5224, 24770), (6530, 19816), (9908, 13060), (10448, 12385)]