18200560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4643}}^1$

素因数の和:4670

約数の個数: 60

約数和(自身を含む): 49235688

約数和(自身を除く): 31035128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4643, 9286, 18572, 23215, 32501, 37144, 46430, 65002, 74288, 92860, 130004, 162505, 185720, 227507, 260008, 325010, 371440, 455014, 520016, 650020, 910028, 1137535, 1300040, 1820056, 2275070, 2600080, 3640112, 4550140, 9100280, 18200560]

約数ペア:

[(1, 18200560), (2, 9100280), (4, 4550140), (5, 3640112), (7, 2600080), (8, 2275070), (10, 1820056), (14, 1300040), (16, 1137535), (20, 910028), (28, 650020), (35, 520016), (40, 455014), (49, 371440), (56, 325010), (70, 260008), (80, 227507), (98, 185720), (112, 162505), (140, 130004), (196, 92860), (245, 74288), (280, 65002), (392, 46430), (490, 37144), (560, 32501), (784, 23215), (980, 18572), (1960, 9286), (3920, 4643)]