129301360

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5197}}^1$

素因数の和:5521

約数の個数: 40

約数和(自身を含む): 301650336

約数和(自身を除く): 172348976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 5197, 6220, 10394, 12440, 20788, 24880, 25985, 41576, 51970, 83152, 103940, 207880, 415760, 1616267, 3232534, 6465068, 8081335, 12930136, 16162670, 25860272, 32325340, 64650680, 129301360]

約数ペア:

[(1, 129301360), (2, 64650680), (4, 32325340), (5, 25860272), (8, 16162670), (10, 12930136), (16, 8081335), (20, 6465068), (40, 3232534), (80, 1616267), (311, 415760), (622, 207880), (1244, 103940), (1555, 83152), (2488, 51970), (3110, 41576), (4976, 25985), (5197, 24880), (6220, 20788), (10394, 12440)]