7641400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2939}}^1$

素因数の和:2968

約数の個数: 48

約数和(自身を含む): 19139400

約数和(自身を除く): 11498000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 2939, 5878, 11756, 14695, 23512, 29390, 38207, 58780, 73475, 76414, 117560, 146950, 152828, 191035, 293900, 305656, 382070, 587800, 764140, 955175, 1528280, 1910350, 3820700, 7641400]

約数ペア:

[(1, 7641400), (2, 3820700), (4, 1910350), (5, 1528280), (8, 955175), (10, 764140), (13, 587800), (20, 382070), (25, 305656), (26, 293900), (40, 191035), (50, 152828), (52, 146950), (65, 117560), (100, 76414), (104, 73475), (130, 58780), (200, 38207), (260, 29390), (325, 23512), (520, 14695), (650, 11756), (1300, 5878), (2600, 2939)]