2040320

素因数分解:

$2^9\times 5^1\times {\mathrm{797}}^1$

素因数の和:820

約数の個数: 40

約数和(自身を含む): 4898124

約数和(自身を除く): 2857804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 797, 1280, 1594, 2560, 3188, 3985, 6376, 7970, 12752, 15940, 25504, 31880, 51008, 63760, 102016, 127520, 204032, 255040, 408064, 510080, 1020160, 2040320]

約数ペア:

[(1, 2040320), (2, 1020160), (4, 510080), (5, 408064), (8, 255040), (10, 204032), (16, 127520), (20, 102016), (32, 63760), (40, 51008), (64, 31880), (80, 25504), (128, 15940), (160, 12752), (256, 7970), (320, 6376), (512, 3985), (640, 3188), (797, 2560), (1280, 1594)]