203223280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195407}}^1$

素因数の和:195433

約数の個数: 40

約数和(自身を含む): 508842432

約数和(自身を除く): 305619152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 195407, 390814, 781628, 977035, 1563256, 1954070, 2540291, 3126512, 3908140, 5080582, 7816280, 10161164, 12701455, 15632560, 20322328, 25402910, 40644656, 50805820, 101611640, 203223280]

約数ペア:

[(1, 203223280), (2, 101611640), (4, 50805820), (5, 40644656), (8, 25402910), (10, 20322328), (13, 15632560), (16, 12701455), (20, 10161164), (26, 7816280), (40, 5080582), (52, 3908140), (65, 3126512), (80, 2540291), (104, 1954070), (130, 1563256), (208, 977035), (260, 781628), (520, 390814), (1040, 195407)]