18434000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:745

約数の個数: 80

約数和(自身を含む): 48069840

約数和(自身を除く): 29635840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 709, 1000, 1040, 1300, 1418, 1625, 2000, 2600, 2836, 3250, 3545, 5200, 5672, 6500, 7090, 9217, 11344, 13000, 14180, 17725, 18434, 26000, 28360, 35450, 36868, 46085, 56720, 70900, 73736, 88625, 92170, 141800, 147472, 177250, 184340, 230425, 283600, 354500, 368680, 460850, 709000, 737360, 921700, 1152125, 1418000, 1843400, 2304250, 3686800, 4608500, 9217000, 18434000]

約数ペア:

[(1, 18434000), (2, 9217000), (4, 4608500), (5, 3686800), (8, 2304250), (10, 1843400), (13, 1418000), (16, 1152125), (20, 921700), (25, 737360), (26, 709000), (40, 460850), (50, 368680), (52, 354500), (65, 283600), (80, 230425), (100, 184340), (104, 177250), (125, 147472), (130, 141800), (200, 92170), (208, 88625), (250, 73736), (260, 70900), (325, 56720), (400, 46085), (500, 36868), (520, 35450), (650, 28360), (709, 26000), (1000, 18434), (1040, 17725), (1300, 14180), (1418, 13000), (1625, 11344), (2000, 9217), (2600, 7090), (2836, 6500), (3250, 5672), (3545, 5200)]