31431520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6337}}^1$

素因数の和:6383

約数の個数: 48

約数和(自身を含む): 76664448

約数和(自身を除く): 45232928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 6337, 12674, 25348, 31685, 50696, 63370, 101392, 126740, 196447, 202784, 253480, 392894, 506960, 785788, 982235, 1013920, 1571576, 1964470, 3143152, 3928940, 6286304, 7857880, 15715760, 31431520]

約数ペア:

[(1, 31431520), (2, 15715760), (4, 7857880), (5, 6286304), (8, 3928940), (10, 3143152), (16, 1964470), (20, 1571576), (31, 1013920), (32, 982235), (40, 785788), (62, 506960), (80, 392894), (124, 253480), (155, 202784), (160, 196447), (248, 126740), (310, 101392), (496, 63370), (620, 50696), (992, 31685), (1240, 25348), (2480, 12674), (4960, 6337)]