87212780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{189593}}^1$

素因数の和:189625

約数の個数: 24

約数和(自身を含む): 191110752

約数和(自身を除く): 103897972

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 189593, 379186, 758372, 947965, 1895930, 3791860, 4360639, 8721278, 17442556, 21803195, 43606390, 87212780]

約数ペア:

[(1, 87212780), (2, 43606390), (4, 21803195), (5, 17442556), (10, 8721278), (20, 4360639), (23, 3791860), (46, 1895930), (92, 947965), (115, 758372), (230, 379186), (460, 189593)]