31279840

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1427}}^1$

素因数の和:1579

約数の個数: 48

約数和(自身を含む): 74490192

約数和(自身を除く): 43210352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 1427, 2192, 2740, 2854, 4384, 5480, 5708, 7135, 10960, 11416, 14270, 21920, 22832, 28540, 45664, 57080, 114160, 195499, 228320, 390998, 781996, 977495, 1563992, 1954990, 3127984, 3909980, 6255968, 7819960, 15639920, 31279840]

約数ペア:

[(1, 31279840), (2, 15639920), (4, 7819960), (5, 6255968), (8, 3909980), (10, 3127984), (16, 1954990), (20, 1563992), (32, 977495), (40, 781996), (80, 390998), (137, 228320), (160, 195499), (274, 114160), (548, 57080), (685, 45664), (1096, 28540), (1370, 22832), (1427, 21920), (2192, 14270), (2740, 11416), (2854, 10960), (4384, 7135), (5480, 5708)]