77728460080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31342121}}^1$

素因数の和:31342165

約数の個数: 40

約数和(自身を含む): 186548310144

約数和(自身を除く): 108819850064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 31342121, 62684242, 125368484, 156710605, 250736968, 313421210, 501473936, 626842420, 971605751, 1253684840, 1943211502, 2507369680, 3886423004, 4858028755, 7772846008, 9716057510, 15545692016, 19432115020, 38864230040, 77728460080]

約数ペア:

[(1, 77728460080), (2, 38864230040), (4, 19432115020), (5, 15545692016), (8, 9716057510), (10, 7772846008), (16, 4858028755), (20, 3886423004), (31, 2507369680), (40, 1943211502), (62, 1253684840), (80, 971605751), (124, 626842420), (155, 501473936), (248, 313421210), (310, 250736968), (496, 156710605), (620, 125368484), (1240, 62684242), (2480, 31342121)]