64519520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31019}}^1$

素因数の和:31047

約数の個数: 48

約数和(自身を含む): 164157840

約数和(自身を除く): 99638320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 31019, 62038, 124076, 155095, 248152, 310190, 403247, 496304, 620380, 806494, 992608, 1240760, 1612988, 2016235, 2481520, 3225976, 4032470, 4963040, 6451952, 8064940, 12903904, 16129880, 32259760, 64519520]

約数ペア:

[(1, 64519520), (2, 32259760), (4, 16129880), (5, 12903904), (8, 8064940), (10, 6451952), (13, 4963040), (16, 4032470), (20, 3225976), (26, 2481520), (32, 2016235), (40, 1612988), (52, 1240760), (65, 992608), (80, 806494), (104, 620380), (130, 496304), (160, 403247), (208, 310190), (260, 248152), (416, 155095), (520, 124076), (1040, 62038), (2080, 31019)]