28664320

素因数分解:

$2^9\times 5^1\times {\mathrm{11197}}^1$

素因数の和:11220

約数の個数: 40

約数和(自身を含む): 68733324

約数和(自身を除く): 40069004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11197, 22394, 44788, 55985, 89576, 111970, 179152, 223940, 358304, 447880, 716608, 895760, 1433216, 1791520, 2866432, 3583040, 5732864, 7166080, 14332160, 28664320]

約数ペア:

[(1, 28664320), (2, 14332160), (4, 7166080), (5, 5732864), (8, 3583040), (10, 2866432), (16, 1791520), (20, 1433216), (32, 895760), (40, 716608), (64, 447880), (80, 358304), (128, 223940), (160, 179152), (256, 111970), (320, 89576), (512, 55985), (640, 44788), (1280, 22394), (2560, 11197)]