83401280

素因数分解:

$2^6\times 5^1\times {\mathrm{260629}}^1$

素因数の和:260646

約数の個数: 28

約数和(自身を含む): 198600060

約数和(自身を除く): 115198780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 260629, 521258, 1042516, 1303145, 2085032, 2606290, 4170064, 5212580, 8340128, 10425160, 16680256, 20850320, 41700640, 83401280]

約数ペア:

[(1, 83401280), (2, 41700640), (4, 20850320), (5, 16680256), (8, 10425160), (10, 8340128), (16, 5212580), (20, 4170064), (32, 2606290), (40, 2085032), (64, 1303145), (80, 1042516), (160, 521258), (320, 260629)]