12898840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4813}}^1$

素因数の和:4891

約数の個数: 32

約数和(自身を含む): 29461680

約数和(自身を除く): 16562840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 4813, 9626, 19252, 24065, 38504, 48130, 96260, 192520, 322471, 644942, 1289884, 1612355, 2579768, 3224710, 6449420, 12898840]

約数ペア:

[(1, 12898840), (2, 6449420), (4, 3224710), (5, 2579768), (8, 1612355), (10, 1289884), (20, 644942), (40, 322471), (67, 192520), (134, 96260), (268, 48130), (335, 38504), (536, 24065), (670, 19252), (1340, 9626), (2680, 4813)]