66843440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26953}}^1$

素因数の和:26997

約数の個数: 40

約数和(自身を含む): 160430208

約数和(自身を除く): 93586768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26953, 53906, 107812, 134765, 215624, 269530, 431248, 539060, 835543, 1078120, 1671086, 2156240, 3342172, 4177715, 6684344, 8355430, 13368688, 16710860, 33421720, 66843440]

約数ペア:

[(1, 66843440), (2, 33421720), (4, 16710860), (5, 13368688), (8, 8355430), (10, 6684344), (16, 4177715), (20, 3342172), (31, 2156240), (40, 1671086), (62, 1078120), (80, 835543), (124, 539060), (155, 431248), (248, 269530), (310, 215624), (496, 134765), (620, 107812), (1240, 53906), (2480, 26953)]