27979840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12491}}^1$

素因数の和:12515

約数の個数: 56

約数和(自身を含む): 76151232

約数和(自身を除く): 48171392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12491, 24982, 49964, 62455, 87437, 99928, 124910, 174874, 199856, 249820, 349748, 399712, 437185, 499640, 699496, 799424, 874370, 999280, 1398992, 1748740, 1998560, 2797984, 3497480, 3997120, 5595968, 6994960, 13989920, 27979840]

約数ペア:

[(1, 27979840), (2, 13989920), (4, 6994960), (5, 5595968), (7, 3997120), (8, 3497480), (10, 2797984), (14, 1998560), (16, 1748740), (20, 1398992), (28, 999280), (32, 874370), (35, 799424), (40, 699496), (56, 499640), (64, 437185), (70, 399712), (80, 349748), (112, 249820), (140, 199856), (160, 174874), (224, 124910), (280, 99928), (320, 87437), (448, 62455), (560, 49964), (1120, 24982), (2240, 12491)]