25391800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2591}}^1$

素因数の和:2621

約数の個数: 72

約数和(自身を含む): 68700960

約数和(自身を除く): 43309160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 2591, 4900, 5182, 9800, 10364, 12955, 18137, 20728, 25910, 36274, 51820, 64775, 72548, 90685, 103640, 126959, 129550, 145096, 181370, 253918, 259100, 362740, 453425, 507836, 518200, 634795, 725480, 906850, 1015672, 1269590, 1813700, 2539180, 3173975, 3627400, 5078360, 6347950, 12695900, 25391800]

約数ペア:

[(1, 25391800), (2, 12695900), (4, 6347950), (5, 5078360), (7, 3627400), (8, 3173975), (10, 2539180), (14, 1813700), (20, 1269590), (25, 1015672), (28, 906850), (35, 725480), (40, 634795), (49, 518200), (50, 507836), (56, 453425), (70, 362740), (98, 259100), (100, 253918), (140, 181370), (175, 145096), (196, 129550), (200, 126959), (245, 103640), (280, 90685), (350, 72548), (392, 64775), (490, 51820), (700, 36274), (980, 25910), (1225, 20728), (1400, 18137), (1960, 12955), (2450, 10364), (2591, 9800), (4900, 5182)]