26327680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1377

約数の個数: 64

約数和(自身を含む): 65018880

約数和(自身を除く): 38691200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1327, 1984, 2480, 2654, 3968, 4960, 5308, 6635, 9920, 10616, 13270, 19840, 21232, 26540, 41137, 42464, 53080, 82274, 84928, 106160, 164548, 169856, 205685, 212320, 329096, 411370, 424640, 658192, 822740, 849280, 1316384, 1645480, 2632768, 3290960, 5265536, 6581920, 13163840, 26327680]

約数ペア:

[(1, 26327680), (2, 13163840), (4, 6581920), (5, 5265536), (8, 3290960), (10, 2632768), (16, 1645480), (20, 1316384), (31, 849280), (32, 822740), (40, 658192), (62, 424640), (64, 411370), (80, 329096), (124, 212320), (128, 205685), (155, 169856), (160, 164548), (248, 106160), (310, 84928), (320, 82274), (496, 53080), (620, 42464), (640, 41137), (992, 26540), (1240, 21232), (1327, 19840), (1984, 13270), (2480, 10616), (2654, 9920), (3968, 6635), (4960, 5308)]