28967900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22283}}^1$

素因数の和:22310

約数の個数: 36

約数和(自身を含む): 67698792

約数和(自身を除く): 38730892

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22283, 44566, 89132, 111415, 222830, 289679, 445660, 557075, 579358, 1114150, 1158716, 1448395, 2228300, 2896790, 5793580, 7241975, 14483950, 28967900]

約数ペア:

[(1, 28967900), (2, 14483950), (4, 7241975), (5, 5793580), (10, 2896790), (13, 2228300), (20, 1448395), (25, 1158716), (26, 1114150), (50, 579358), (52, 557075), (65, 445660), (100, 289679), (130, 222830), (260, 111415), (325, 89132), (650, 44566), (1300, 22283)]