16455920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15823}}^1$

素因数の和:15849

約数の個数: 40

約数和(自身を含む): 41205696

約数和(自身を除く): 24749776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15823, 31646, 63292, 79115, 126584, 158230, 205699, 253168, 316460, 411398, 632920, 822796, 1028495, 1265840, 1645592, 2056990, 3291184, 4113980, 8227960, 16455920]

約数ペア:

[(1, 16455920), (2, 8227960), (4, 4113980), (5, 3291184), (8, 2056990), (10, 1645592), (13, 1265840), (16, 1028495), (20, 822796), (26, 632920), (40, 411398), (52, 316460), (65, 253168), (80, 205699), (104, 158230), (130, 126584), (208, 79115), (260, 63292), (520, 31646), (1040, 15823)]