65222120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 152340480

約数和(自身を除く): 87118360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 127, 148, 185, 254, 296, 347, 370, 508, 635, 694, 740, 1016, 1270, 1388, 1480, 1735, 2540, 2776, 3470, 4699, 5080, 6940, 9398, 12839, 13880, 18796, 23495, 25678, 37592, 44069, 46990, 51356, 64195, 88138, 93980, 102712, 128390, 176276, 187960, 220345, 256780, 352552, 440690, 513560, 881380, 1630553, 1762760, 3261106, 6522212, 8152765, 13044424, 16305530, 32611060, 65222120]

約数ペア:

[(1, 65222120), (2, 32611060), (4, 16305530), (5, 13044424), (8, 8152765), (10, 6522212), (20, 3261106), (37, 1762760), (40, 1630553), (74, 881380), (127, 513560), (148, 440690), (185, 352552), (254, 256780), (296, 220345), (347, 187960), (370, 176276), (508, 128390), (635, 102712), (694, 93980), (740, 88138), (1016, 64195), (1270, 51356), (1388, 46990), (1480, 44069), (1735, 37592), (2540, 25678), (2776, 23495), (3470, 18796), (4699, 13880), (5080, 12839), (6940, 9398)]