80622520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1889}}^1$

素因数の和:2008

約数の個数: 64

約数和(自身を含む): 200037600

約数和(自身を除く): 119415080

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, 1889, 1940, 2134, 3778, 3880, 4268, 5335, 7556, 8536, 9445, 10670, 15112, 18890, 20779, 21340, 37780, 41558, 42680, 75560, 83116, 103895, 166232, 183233, 207790, 366466, 415580, 732932, 831160, 916165, 1465864, 1832330, 2015563, 3664660, 4031126, 7329320, 8062252, 10077815, 16124504, 20155630, 40311260, 80622520]

約数ペア:

[(1, 80622520), (2, 40311260), (4, 20155630), (5, 16124504), (8, 10077815), (10, 8062252), (11, 7329320), (20, 4031126), (22, 3664660), (40, 2015563), (44, 1832330), (55, 1465864), (88, 916165), (97, 831160), (110, 732932), (194, 415580), (220, 366466), (388, 207790), (440, 183233), (485, 166232), (776, 103895), (970, 83116), (1067, 75560), (1889, 42680), (1940, 41558), (2134, 37780), (3778, 21340), (3880, 20779), (4268, 18890), (5335, 15112), (7556, 10670), (8536, 9445)]