166398080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8387}}^1$

素因数の和:8437

約数の個数: 64

約数和(自身を含む): 410676480

約数和(自身を除く): 244278400

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, 1984, 2480, 3968, 4960, 8387, 9920, 16774, 19840, 33548, 41935, 67096, 83870, 134192, 167740, 259997, 268384, 335480, 519994, 536768, 670960, 1039988, 1073536, 1299985, 1341920, 2079976, 2599970, 2683840, 4159952, 5199940, 5367680, 8319904, 10399880, 16639808, 20799760, 33279616, 41599520, 83199040, 166398080]

約数ペア:

[(1, 166398080), (2, 83199040), (4, 41599520), (5, 33279616), (8, 20799760), (10, 16639808), (16, 10399880), (20, 8319904), (31, 5367680), (32, 5199940), (40, 4159952), (62, 2683840), (64, 2599970), (80, 2079976), (124, 1341920), (128, 1299985), (155, 1073536), (160, 1039988), (248, 670960), (310, 536768), (320, 519994), (496, 335480), (620, 268384), (640, 259997), (992, 167740), (1240, 134192), (1984, 83870), (2480, 67096), (3968, 41935), (4960, 33548), (8387, 19840), (9920, 16774)]