1311174280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2521489}}^1$

素因数の和:2521513

約数の個数: 32

約数和(自身を含む): 3177077400

約数和(自身を除く): 1865903120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2521489, 5042978, 10085956, 12607445, 20171912, 25214890, 32779357, 50429780, 65558714, 100859560, 131117428, 163896785, 262234856, 327793570, 655587140, 1311174280]

約数ペア:

[(1, 1311174280), (2, 655587140), (4, 327793570), (5, 262234856), (8, 163896785), (10, 131117428), (13, 100859560), (20, 65558714), (26, 50429780), (40, 32779357), (52, 25214890), (65, 20171912), (104, 12607445), (130, 10085956), (260, 5042978), (520, 2521489)]