84578840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16141}}^1$

素因数の和:16283

約数の個数: 32

約数和(自身を含む): 191766960

約数和(自身を除く): 107188120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 16141, 32282, 64564, 80705, 129128, 161410, 322820, 645640, 2114471, 4228942, 8457884, 10572355, 16915768, 21144710, 42289420, 84578840]

約数ペア:

[(1, 84578840), (2, 42289420), (4, 21144710), (5, 16915768), (8, 10572355), (10, 8457884), (20, 4228942), (40, 2114471), (131, 645640), (262, 322820), (524, 161410), (655, 129128), (1048, 80705), (1310, 64564), (2620, 32282), (5240, 16141)]