54138500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8329}}^1$

素因数の和:8361

約数の個数: 48

約数和(自身を含む): 127349040

約数和(自身を除く): 73210540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 8329, 16658, 33316, 41645, 83290, 108277, 166580, 208225, 216554, 416450, 433108, 541385, 832900, 1041125, 1082770, 2082250, 2165540, 2706925, 4164500, 5413850, 10827700, 13534625, 27069250, 54138500]

約数ペア:

[(1, 54138500), (2, 27069250), (4, 13534625), (5, 10827700), (10, 5413850), (13, 4164500), (20, 2706925), (25, 2165540), (26, 2082250), (50, 1082770), (52, 1041125), (65, 832900), (100, 541385), (125, 433108), (130, 416450), (250, 216554), (260, 208225), (325, 166580), (500, 108277), (650, 83290), (1300, 41645), (1625, 33316), (3250, 16658), (6500, 8329)]