1331720341780

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3169}}^1\times {\mathrm{48751}}^1$

素因数の和:52360

約数の個数: 48

約数和(自身を含む): 2804043432960

約数和(自身を除く): 1472323091180

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 3169, 4310, 6338, 8620, 12676, 15845, 31690, 48751, 63380, 97502, 195004, 243755, 487510, 975020, 1365839, 2731678, 5463356, 6829195, 13658390, 21011681, 27316780, 42023362, 84046724, 105058405, 154491919, 210116810, 308983838, 420233620, 617967676, 772459595, 1544919190, 3089838380, 66586017089, 133172034178, 266344068356, 332930085445, 665860170890, 1331720341780]

約数ペア:

[(1, 1331720341780), (2, 665860170890), (4, 332930085445), (5, 266344068356), (10, 133172034178), (20, 66586017089), (431, 3089838380), (862, 1544919190), (1724, 772459595), (2155, 617967676), (3169, 420233620), (4310, 308983838), (6338, 210116810), (8620, 154491919), (12676, 105058405), (15845, 84046724), (31690, 42023362), (48751, 27316780), (63380, 21011681), (97502, 13658390), (195004, 6829195), (243755, 5463356), (487510, 2731678), (975020, 1365839)]