2017234840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{566639}}^1$

素因数の和:566739

約数の個数: 32

約数和(自身を含む): 4589784000

約数和(自身を除く): 2572549160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 566639, 1133278, 2266556, 2833195, 4533112, 5666390, 11332780, 22665560, 50430871, 100861742, 201723484, 252154355, 403446968, 504308710, 1008617420, 2017234840]

約数ペア:

[(1, 2017234840), (2, 1008617420), (4, 504308710), (5, 403446968), (8, 252154355), (10, 201723484), (20, 100861742), (40, 50430871), (89, 22665560), (178, 11332780), (356, 5666390), (445, 4533112), (712, 2833195), (890, 2266556), (1780, 1133278), (3560, 566639)]