225557480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{67939}}^1$

素因数の和:68033

約数の個数: 32

約数和(自身を含む): 513626400

約数和(自身を除く): 288068920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 67939, 135878, 271756, 339695, 543512, 679390, 1358780, 2717560, 5638937, 11277874, 22555748, 28194685, 45111496, 56389370, 112778740, 225557480]

約数ペア:

[(1, 225557480), (2, 112778740), (4, 56389370), (5, 45111496), (8, 28194685), (10, 22555748), (20, 11277874), (40, 5638937), (83, 2717560), (166, 1358780), (332, 679390), (415, 543512), (664, 339695), (830, 271756), (1660, 135878), (3320, 67939)]