3905320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 8893800

約数和(自身を除く): 4988480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1097, 1780, 2194, 3560, 4388, 5485, 8776, 10970, 21940, 43880, 97633, 195266, 390532, 488165, 781064, 976330, 1952660, 3905320]

約数ペア:

[(1, 3905320), (2, 1952660), (4, 976330), (5, 781064), (8, 488165), (10, 390532), (20, 195266), (40, 97633), (89, 43880), (178, 21940), (356, 10970), (445, 8776), (712, 5485), (890, 4388), (1097, 3560), (1780, 2194)]