8158640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 22980672

約数和(自身を除く): 14822032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 857, 952, 1190, 1360, 1714, 1904, 2380, 3428, 4285, 4760, 5999, 6856, 8570, 9520, 11998, 13712, 14569, 17140, 23996, 29138, 29995, 34280, 47992, 58276, 59990, 68560, 72845, 95984, 101983, 116552, 119980, 145690, 203966, 233104, 239960, 291380, 407932, 479920, 509915, 582760, 815864, 1019830, 1165520, 1631728, 2039660, 4079320, 8158640]

約数ペア:

[(1, 8158640), (2, 4079320), (4, 2039660), (5, 1631728), (7, 1165520), (8, 1019830), (10, 815864), (14, 582760), (16, 509915), (17, 479920), (20, 407932), (28, 291380), (34, 239960), (35, 233104), (40, 203966), (56, 145690), (68, 119980), (70, 116552), (80, 101983), (85, 95984), (112, 72845), (119, 68560), (136, 59990), (140, 58276), (170, 47992), (238, 34280), (272, 29995), (280, 29138), (340, 23996), (476, 17140), (560, 14569), (595, 13712), (680, 11998), (857, 9520), (952, 8570), (1190, 6856), (1360, 5999), (1714, 4760), (1904, 4285), (2380, 3428)]