39480280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20143}}^1$

素因数の和:20168

約数の個数: 48

約数和(自身を含む): 103338720

約数和(自身を除く): 63858440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20143, 40286, 80572, 100715, 141001, 161144, 201430, 282002, 402860, 564004, 705005, 805720, 987007, 1128008, 1410010, 1974014, 2820020, 3948028, 4935035, 5640040, 7896056, 9870070, 19740140, 39480280]

約数ペア:

[(1, 39480280), (2, 19740140), (4, 9870070), (5, 7896056), (7, 5640040), (8, 4935035), (10, 3948028), (14, 2820020), (20, 1974014), (28, 1410010), (35, 1128008), (40, 987007), (49, 805720), (56, 705005), (70, 564004), (98, 402860), (140, 282002), (196, 201430), (245, 161144), (280, 141001), (392, 100715), (490, 80572), (980, 40286), (1960, 20143)]