71147560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1667}}^1$

素因数の和:1786

約数の個数: 64

約数和(自身を含む): 176541120

約数和(自身を除く): 105393560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1667, 1940, 2134, 3334, 3880, 4268, 5335, 6668, 8335, 8536, 10670, 13336, 16670, 18337, 21340, 33340, 36674, 42680, 66680, 73348, 91685, 146696, 161699, 183370, 323398, 366740, 646796, 733480, 808495, 1293592, 1616990, 1778689, 3233980, 3557378, 6467960, 7114756, 8893445, 14229512, 17786890, 35573780, 71147560]

約数ペア:

[(1, 71147560), (2, 35573780), (4, 17786890), (5, 14229512), (8, 8893445), (10, 7114756), (11, 6467960), (20, 3557378), (22, 3233980), (40, 1778689), (44, 1616990), (55, 1293592), (88, 808495), (97, 733480), (110, 646796), (194, 366740), (220, 323398), (388, 183370), (440, 161699), (485, 146696), (776, 91685), (970, 73348), (1067, 66680), (1667, 42680), (1940, 36674), (2134, 33340), (3334, 21340), (3880, 18337), (4268, 16670), (5335, 13336), (6668, 10670), (8335, 8536)]