16887679120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{438869}}^1$

素因数の和:438932

約数の個数: 80

約数和(自身を含む): 43427064240

約数和(自身を除く): 26539385120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 38480, 438869, 877738, 1755476, 2194345, 3510952, 4388690, 5705297, 7021904, 8777380, 11410594, 16238153, 17554760, 22821188, 28526485, 32476306, 35109520, 45642376, 57052970, 64952612, 81190765, 91284752, 114105940, 129905224, 162381530, 211095989, 228211880, 259810448, 324763060, 422191978, 456423760, 649526120, 844383956, 1055479945, 1299052240, 1688767912, 2110959890, 3377535824, 4221919780, 8443839560, 16887679120]

約数ペア:

[(1, 16887679120), (2, 8443839560), (4, 4221919780), (5, 3377535824), (8, 2110959890), (10, 1688767912), (13, 1299052240), (16, 1055479945), (20, 844383956), (26, 649526120), (37, 456423760), (40, 422191978), (52, 324763060), (65, 259810448), (74, 228211880), (80, 211095989), (104, 162381530), (130, 129905224), (148, 114105940), (185, 91284752), (208, 81190765), (260, 64952612), (296, 57052970), (370, 45642376), (481, 35109520), (520, 32476306), (592, 28526485), (740, 22821188), (962, 17554760), (1040, 16238153), (1480, 11410594), (1924, 8777380), (2405, 7021904), (2960, 5705297), (3848, 4388690), (4810, 3510952), (7696, 2194345), (9620, 1755476), (19240, 877738), (38480, 438869)]