331132160

素因数分解:

$2^8\times 5^1\times {\mathrm{258697}}^1$

素因数の和:258718

約数の個数: 36

約数和(自身を含む): 793168068

約数和(自身を除く): 462035908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 258697, 517394, 1034788, 1293485, 2069576, 2586970, 4139152, 5173940, 8278304, 10347880, 16556608, 20695760, 33113216, 41391520, 66226432, 82783040, 165566080, 331132160]

約数ペア:

[(1, 331132160), (2, 165566080), (4, 82783040), (5, 66226432), (8, 41391520), (10, 33113216), (16, 20695760), (20, 16556608), (32, 10347880), (40, 8278304), (64, 5173940), (80, 4139152), (128, 2586970), (160, 2069576), (256, 1293485), (320, 1034788), (640, 517394), (1280, 258697)]