78943120

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12491}}^1$

素因数の和:12583

約数の個数: 40

約数和(自身を含む): 185880960

約数和(自身を除く): 106937840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 499640, 986789, 999280, 1973578, 3947156, 4933945, 7894312, 9867890, 15788624, 19735780, 39471560, 78943120]

約数ペア:

[(1, 78943120), (2, 39471560), (4, 19735780), (5, 15788624), (8, 9867890), (10, 7894312), (16, 4933945), (20, 3947156), (40, 1973578), (79, 999280), (80, 986789), (158, 499640), (316, 249820), (395, 199856), (632, 124910), (790, 99928), (1264, 62455), (1580, 49964), (3160, 24982), (6320, 12491)]