28285140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36263}}^1$

素因数の和:36288

約数の個数: 48

約数和(自身を含む): 85292928

約数和(自身を除く): 57007788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36263, 72526, 108789, 145052, 181315, 217578, 362630, 435156, 471419, 543945, 725260, 942838, 1087890, 1414257, 1885676, 2175780, 2357095, 2828514, 4714190, 5657028, 7071285, 9428380, 14142570, 28285140]

約数ペア:

[(1, 28285140), (2, 14142570), (3, 9428380), (4, 7071285), (5, 5657028), (6, 4714190), (10, 2828514), (12, 2357095), (13, 2175780), (15, 1885676), (20, 1414257), (26, 1087890), (30, 942838), (39, 725260), (52, 543945), (60, 471419), (65, 435156), (78, 362630), (130, 217578), (156, 181315), (195, 145052), (260, 108789), (390, 72526), (780, 36263)]