2018392325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 2684352000

約数和(自身を除く): 665959675

約数列:

[1, 5, 19, 25, 95, 131, 163, 199, 475, 655, 815, 995, 2489, 3097, 3275, 3781, 4075, 4975, 12445, 15485, 18905, 21353, 26069, 32437, 62225, 77425, 94525, 106765, 130345, 162185, 405707, 495311, 533825, 616303, 651725, 810925, 2028535, 2476555, 3081515, 4249247, 10142675, 12382775, 15407575, 21246235, 80735693, 106231175, 403678465, 2018392325]

約数ペア:

[(1, 2018392325), (5, 403678465), (19, 106231175), (25, 80735693), (95, 21246235), (131, 15407575), (163, 12382775), (199, 10142675), (475, 4249247), (655, 3081515), (815, 2476555), (995, 2028535), (2489, 810925), (3097, 651725), (3275, 616303), (3781, 533825), (4075, 495311), (4975, 405707), (12445, 162185), (15485, 130345), (18905, 106765), (21353, 94525), (26069, 77425), (32437, 62225)]