66828560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26947}}^1$

素因数の和:26991

約数の個数: 40

約数和(自身を含む): 160394496

約数和(自身を除く): 93565936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26947, 53894, 107788, 134735, 215576, 269470, 431152, 538940, 835357, 1077880, 1670714, 2155760, 3341428, 4176785, 6682856, 8353570, 13365712, 16707140, 33414280, 66828560]

約数ペア:

[(1, 66828560), (2, 33414280), (4, 16707140), (5, 13365712), (8, 8353570), (10, 6682856), (16, 4176785), (20, 3341428), (31, 2155760), (40, 1670714), (62, 1077880), (80, 835357), (124, 538940), (155, 431152), (248, 269470), (310, 215576), (496, 134735), (620, 107788), (1240, 53894), (2480, 26947)]