7109320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 16183800

約数和(自身を除く): 9074480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 1997, 3560, 3994, 7988, 9985, 15976, 19970, 39940, 79880, 177733, 355466, 710932, 888665, 1421864, 1777330, 3554660, 7109320]

約数ペア:

[(1, 7109320), (2, 3554660), (4, 1777330), (5, 1421864), (8, 888665), (10, 710932), (20, 355466), (40, 177733), (89, 79880), (178, 39940), (356, 19970), (445, 15976), (712, 9985), (890, 7988), (1780, 3994), (1997, 3560)]