25607140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 58388400

約数和(自身を除く): 32781260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 661, 745, 1322, 1490, 1937, 2644, 2980, 3305, 3874, 6610, 7748, 8593, 9685, 13220, 17186, 19370, 34372, 38740, 42965, 85930, 98489, 171860, 196978, 393956, 492445, 984890, 1280357, 1969780, 2560714, 5121428, 6401785, 12803570, 25607140]

約数ペア:

[(1, 25607140), (2, 12803570), (4, 6401785), (5, 5121428), (10, 2560714), (13, 1969780), (20, 1280357), (26, 984890), (52, 492445), (65, 393956), (130, 196978), (149, 171860), (260, 98489), (298, 85930), (596, 42965), (661, 38740), (745, 34372), (1322, 19370), (1490, 17186), (1937, 13220), (2644, 9685), (2980, 8593), (3305, 7748), (3874, 6610)]