87169840

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2969}}^1$

素因数の和:3349

約数の個数: 40

約数和(自身を含む): 203290560

約数和(自身を除く): 116120720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 1468, 1835, 2936, 2969, 3670, 5872, 5938, 7340, 11876, 14680, 14845, 23752, 29360, 29690, 47504, 59380, 118760, 237520, 1089623, 2179246, 4358492, 5448115, 8716984, 10896230, 17433968, 21792460, 43584920, 87169840]

約数ペア:

[(1, 87169840), (2, 43584920), (4, 21792460), (5, 17433968), (8, 10896230), (10, 8716984), (16, 5448115), (20, 4358492), (40, 2179246), (80, 1089623), (367, 237520), (734, 118760), (1468, 59380), (1835, 47504), (2936, 29690), (2969, 29360), (3670, 23752), (5872, 14845), (5938, 14680), (7340, 11876)]