26486920

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1327}}^1$

素因数の和:1837

約数の個数: 32

約数和(自身を含む): 59760000

約数和(自身を除く): 33273080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1327, 1996, 2495, 2654, 3992, 4990, 5308, 6635, 9980, 10616, 13270, 19960, 26540, 53080, 662173, 1324346, 2648692, 3310865, 5297384, 6621730, 13243460, 26486920]

約数ペア:

[(1, 26486920), (2, 13243460), (4, 6621730), (5, 5297384), (8, 3310865), (10, 2648692), (20, 1324346), (40, 662173), (499, 53080), (998, 26540), (1327, 19960), (1996, 13270), (2495, 10616), (2654, 9980), (3992, 6635), (4990, 5308)]