66648140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8269}}^1$

素因数の和:8322

約数の個数: 48

約数和(自身を含む): 155608320

約数和(自身を除く): 88960180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8269, 16538, 33076, 41345, 82690, 107497, 165380, 214994, 256339, 429988, 512678, 537485, 1025356, 1074970, 1281695, 2149940, 2563390, 3332407, 5126780, 6664814, 13329628, 16662035, 33324070, 66648140]

約数ペア:

[(1, 66648140), (2, 33324070), (4, 16662035), (5, 13329628), (10, 6664814), (13, 5126780), (20, 3332407), (26, 2563390), (31, 2149940), (52, 1281695), (62, 1074970), (65, 1025356), (124, 537485), (130, 512678), (155, 429988), (260, 256339), (310, 214994), (403, 165380), (620, 107497), (806, 82690), (1612, 41345), (2015, 33076), (4030, 16538), (8060, 8269)]