20008028560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19238489}}^1$

素因数の和:19238515

約数の個数: 40

約数和(自身を含む): 50097027960

約数和(自身を除く): 30088999400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19238489, 38476978, 76953956, 96192445, 153907912, 192384890, 250100357, 307815824, 384769780, 500200714, 769539560, 1000401428, 1250501785, 1539079120, 2000802856, 2501003570, 4001605712, 5002007140, 10004014280, 20008028560]

約数ペア:

[(1, 20008028560), (2, 10004014280), (4, 5002007140), (5, 4001605712), (8, 2501003570), (10, 2000802856), (13, 1539079120), (16, 1250501785), (20, 1000401428), (26, 769539560), (40, 500200714), (52, 384769780), (65, 307815824), (80, 250100357), (104, 192384890), (130, 153907912), (208, 96192445), (260, 76953956), (520, 38476978), (1040, 19238489)]