2085691780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{78233}}^1$

素因数の和:78316

約数の個数: 48

約数和(自身を含む): 4626445824

約数和(自身を除く): 2540754044

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6665, 13330, 26660, 78233, 156466, 312932, 391165, 782330, 1564660, 2425223, 3364019, 4850446, 6728038, 9700892, 12126115, 13456076, 16820095, 24252230, 33640190, 48504460, 67280380, 104284589, 208569178, 417138356, 521422945, 1042845890, 2085691780]

約数ペア:

[(1, 2085691780), (2, 1042845890), (4, 521422945), (5, 417138356), (10, 208569178), (20, 104284589), (31, 67280380), (43, 48504460), (62, 33640190), (86, 24252230), (124, 16820095), (155, 13456076), (172, 12126115), (215, 9700892), (310, 6728038), (430, 4850446), (620, 3364019), (860, 2425223), (1333, 1564660), (2666, 782330), (5332, 391165), (6665, 312932), (13330, 156466), (26660, 78233)]