64953040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27997}}^1$

素因数の和:28039

約数の個数: 40

約数和(自身を含む): 156228840

約数和(自身を除く): 91275800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27997, 55994, 111988, 139985, 223976, 279970, 447952, 559940, 811913, 1119880, 1623826, 2239760, 3247652, 4059565, 6495304, 8119130, 12990608, 16238260, 32476520, 64953040]

約数ペア:

[(1, 64953040), (2, 32476520), (4, 16238260), (5, 12990608), (8, 8119130), (10, 6495304), (16, 4059565), (20, 3247652), (29, 2239760), (40, 1623826), (58, 1119880), (80, 811913), (116, 559940), (145, 447952), (232, 279970), (290, 223976), (464, 139985), (580, 111988), (1160, 55994), (2320, 27997)]