82018840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23039}}^1$

素因数の和:23139

約数の個数: 32

約数和(自身を含む): 186624000

約数和(自身を除く): 104605160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23039, 46078, 92156, 115195, 184312, 230390, 460780, 921560, 2050471, 4100942, 8201884, 10252355, 16403768, 20504710, 41009420, 82018840]

約数ペア:

[(1, 82018840), (2, 41009420), (4, 20504710), (5, 16403768), (8, 10252355), (10, 8201884), (20, 4100942), (40, 2050471), (89, 921560), (178, 460780), (356, 230390), (445, 184312), (712, 115195), (890, 92156), (1780, 46078), (3560, 23039)]