2008493840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{374719}}^1$

素因数の和:374799

約数の個数: 40

約数和(自身を含む): 4739458560

約数和(自身を除く): 2730964720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 374719, 749438, 1498876, 1873595, 2997752, 3747190, 5995504, 7494380, 14988760, 25106173, 29977520, 50212346, 100424692, 125530865, 200849384, 251061730, 401698768, 502123460, 1004246920, 2008493840]

約数ペア:

[(1, 2008493840), (2, 1004246920), (4, 502123460), (5, 401698768), (8, 251061730), (10, 200849384), (16, 125530865), (20, 100424692), (40, 50212346), (67, 29977520), (80, 25106173), (134, 14988760), (268, 7494380), (335, 5995504), (536, 3747190), (670, 2997752), (1072, 1873595), (1340, 1498876), (2680, 749438), (5360, 374719)]