66850520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 165434400

約数和(自身を除く): 98583880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 548, 685, 1096, 1109, 1370, 1507, 2218, 2740, 3014, 4436, 5480, 5545, 6028, 7535, 8872, 11090, 12056, 12199, 15070, 22180, 24398, 30140, 44360, 48796, 60280, 60995, 97592, 121990, 151933, 243980, 303866, 487960, 607732, 759665, 1215464, 1519330, 1671263, 3038660, 3342526, 6077320, 6685052, 8356315, 13370104, 16712630, 33425260, 66850520]

約数ペア:

[(1, 66850520), (2, 33425260), (4, 16712630), (5, 13370104), (8, 8356315), (10, 6685052), (11, 6077320), (20, 3342526), (22, 3038660), (40, 1671263), (44, 1519330), (55, 1215464), (88, 759665), (110, 607732), (137, 487960), (220, 303866), (274, 243980), (440, 151933), (548, 121990), (685, 97592), (1096, 60995), (1109, 60280), (1370, 48796), (1507, 44360), (2218, 30140), (2740, 24398), (3014, 22180), (4436, 15070), (5480, 12199), (5545, 12056), (6028, 11090), (7535, 8872)]