51139360

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2333}}^1$

素因数の和:2485

約数の個数: 48

約数和(自身を含む): 121750776

約数和(自身を除く): 70611416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2333, 2740, 4384, 4666, 5480, 9332, 10960, 11665, 18664, 21920, 23330, 37328, 46660, 74656, 93320, 186640, 319621, 373280, 639242, 1278484, 1598105, 2556968, 3196210, 5113936, 6392420, 10227872, 12784840, 25569680, 51139360]

約数ペア:

[(1, 51139360), (2, 25569680), (4, 12784840), (5, 10227872), (8, 6392420), (10, 5113936), (16, 3196210), (20, 2556968), (32, 1598105), (40, 1278484), (80, 639242), (137, 373280), (160, 319621), (274, 186640), (548, 93320), (685, 74656), (1096, 46660), (1370, 37328), (2192, 23330), (2333, 21920), (2740, 18664), (4384, 11665), (4666, 10960), (5480, 9332)]