64801700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{9127}}^1$

素因数の和:9212

約数の個数: 36

約数和(自身を含む): 142615872

約数和(自身を除く): 77814172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 9127, 18254, 36508, 45635, 91270, 182540, 228175, 456350, 648017, 912700, 1296034, 2592068, 3240085, 6480170, 12960340, 16200425, 32400850, 64801700]

約数ペア:

[(1, 64801700), (2, 32400850), (4, 16200425), (5, 12960340), (10, 6480170), (20, 3240085), (25, 2592068), (50, 1296034), (71, 912700), (100, 648017), (142, 456350), (284, 228175), (355, 182540), (710, 91270), (1420, 45635), (1775, 36508), (3550, 18254), (7100, 9127)]