15678537940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{217697}}^1$

素因数の和:217996

約数の個数: 48

約数和(自身を含む): 35585785872

約数和(自身を除く): 19907247932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1385, 2770, 3601, 5540, 7202, 14404, 18005, 36010, 72020, 217697, 435394, 870788, 1088485, 2176970, 2830061, 4353940, 5660122, 11320244, 14150305, 28300610, 56601220, 60302069, 120604138, 241208276, 301510345, 603020690, 783926897, 1206041380, 1567853794, 3135707588, 3919634485, 7839268970, 15678537940]

約数ペア:

[(1, 15678537940), (2, 7839268970), (4, 3919634485), (5, 3135707588), (10, 1567853794), (13, 1206041380), (20, 783926897), (26, 603020690), (52, 301510345), (65, 241208276), (130, 120604138), (260, 60302069), (277, 56601220), (554, 28300610), (1108, 14150305), (1385, 11320244), (2770, 5660122), (3601, 4353940), (5540, 2830061), (7202, 2176970), (14404, 1088485), (18005, 870788), (36010, 435394), (72020, 217697)]