100520560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25643}}^1$

素因数の和:25670

約数の個数: 60

約数和(自身を含む): 271877688

約数和(自身を除く): 171357128

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, 25643, 51286, 102572, 128215, 179501, 205144, 256430, 359002, 410288, 512860, 718004, 897505, 1025720, 1256507, 1436008, 1795010, 2051440, 2513014, 2872016, 3590020, 5026028, 6282535, 7180040, 10052056, 12565070, 14360080, 20104112, 25130140, 50260280, 100520560]

約数ペア:

[(1, 100520560), (2, 50260280), (4, 25130140), (5, 20104112), (7, 14360080), (8, 12565070), (10, 10052056), (14, 7180040), (16, 6282535), (20, 5026028), (28, 3590020), (35, 2872016), (40, 2513014), (49, 2051440), (56, 1795010), (70, 1436008), (80, 1256507), (98, 1025720), (112, 897505), (140, 718004), (196, 512860), (245, 410288), (280, 359002), (392, 256430), (490, 205144), (560, 179501), (784, 128215), (980, 102572), (1960, 51286), (3920, 25643)]