31945840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21017}}^1$

素因数の和:21049

約数の個数: 40

約数和(自身を含む): 78186960

約数和(自身を除く): 46241120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 21017, 42034, 84068, 105085, 168136, 210170, 336272, 399323, 420340, 798646, 840680, 1597292, 1681360, 1996615, 3194584, 3993230, 6389168, 7986460, 15972920, 31945840]

約数ペア:

[(1, 31945840), (2, 15972920), (4, 7986460), (5, 6389168), (8, 3993230), (10, 3194584), (16, 1996615), (19, 1681360), (20, 1597292), (38, 840680), (40, 798646), (76, 420340), (80, 399323), (95, 336272), (152, 210170), (190, 168136), (304, 105085), (380, 84068), (760, 42034), (1520, 21017)]