80147090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{258539}}^1$

素因数の和:258577

約数の個数: 16

約数和(自身を含む): 148919040

約数和(自身を除く): 68771950

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 258539, 517078, 1292695, 2585390, 8014709, 16029418, 40073545, 80147090]

約数ペア:

[(1, 80147090), (2, 40073545), (5, 16029418), (10, 8014709), (31, 2585390), (62, 1292695), (155, 517078), (310, 258539)]