64392140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4133}}^1$

素因数の和:4202

約数の個数: 48

約数和(自身を含む): 145847520

約数和(自身を除く): 81455380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 4133, 7790, 8266, 15580, 16532, 20665, 41330, 78527, 82660, 157054, 169453, 314108, 338906, 392635, 677812, 785270, 847265, 1570540, 1694530, 3219607, 3389060, 6439214, 12878428, 16098035, 32196070, 64392140]

約数ペア:

[(1, 64392140), (2, 32196070), (4, 16098035), (5, 12878428), (10, 6439214), (19, 3389060), (20, 3219607), (38, 1694530), (41, 1570540), (76, 847265), (82, 785270), (95, 677812), (164, 392635), (190, 338906), (205, 314108), (380, 169453), (410, 157054), (779, 82660), (820, 78527), (1558, 41330), (3116, 20665), (3895, 16532), (4133, 15580), (7790, 8266)]