799917220

素因数分解:

$2^2\times 5^1\times {\mathrm{3203}}^1\times {\mathrm{12487}}^1$

素因数の和:15699

約数の個数: 24

約数和(自身を含む): 1680485184

約数和(自身を除く): 880567964

約数列:

[1, 2, 4, 5, 10, 20, 3203, 6406, 12487, 12812, 16015, 24974, 32030, 49948, 62435, 64060, 124870, 249740, 39995861, 79991722, 159983444, 199979305, 399958610, 799917220]

約数ペア:

[(1, 799917220), (2, 399958610), (4, 199979305), (5, 159983444), (10, 79991722), (20, 39995861), (3203, 249740), (6406, 124870), (12487, 64060), (12812, 62435), (16015, 49948), (24974, 32030)]