13750280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 33326640

約数和(自身を除く): 19576360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 277, 292, 340, 365, 554, 584, 680, 730, 1108, 1241, 1385, 1460, 2216, 2482, 2770, 2920, 4709, 4964, 5540, 6205, 9418, 9928, 11080, 12410, 18836, 20221, 23545, 24820, 37672, 40442, 47090, 49640, 80884, 94180, 101105, 161768, 188360, 202210, 343757, 404420, 687514, 808840, 1375028, 1718785, 2750056, 3437570, 6875140, 13750280]

約数ペア:

[(1, 13750280), (2, 6875140), (4, 3437570), (5, 2750056), (8, 1718785), (10, 1375028), (17, 808840), (20, 687514), (34, 404420), (40, 343757), (68, 202210), (73, 188360), (85, 161768), (136, 101105), (146, 94180), (170, 80884), (277, 49640), (292, 47090), (340, 40442), (365, 37672), (554, 24820), (584, 23545), (680, 20221), (730, 18836), (1108, 12410), (1241, 11080), (1385, 9928), (1460, 9418), (2216, 6205), (2482, 5540), (2770, 4964), (2920, 4709)]