13630716875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{21031}}^1$

素因数の和:21129

約数の個数: 40

約数和(自身を含む): 18331407072

約数和(自身を除く): 4700690197

約数列:

[1, 5, 17, 25, 61, 85, 125, 305, 425, 625, 1037, 1525, 2125, 5185, 7625, 10625, 21031, 25925, 38125, 105155, 129625, 357527, 525775, 648125, 1282891, 1787635, 2628875, 6414455, 8938175, 13144375, 21809147, 32072275, 44690875, 109045735, 160361375, 223454375, 545228675, 801806875, 2726143375, 13630716875]

約数ペア:

[(1, 13630716875), (5, 2726143375), (17, 801806875), (25, 545228675), (61, 223454375), (85, 160361375), (125, 109045735), (305, 44690875), (425, 32072275), (625, 21809147), (1037, 13144375), (1525, 8938175), (2125, 6414455), (5185, 2628875), (7625, 1787635), (10625, 1282891), (21031, 648125), (25925, 525775), (38125, 357527), (105155, 129625)]