2770479920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{85933}}^1$

素因数の和:85990

約数の個数: 80

約数和(自身を含む): 7160708352

約数和(自身を除く): 4390228432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 85933, 171866, 343732, 429665, 687464, 859330, 1117129, 1374928, 1718660, 2234258, 2663923, 3437320, 4468516, 5327846, 5585645, 6874640, 8937032, 10655692, 11171290, 13319615, 17874064, 21311384, 22342580, 26639230, 34630999, 42622768, 44685160, 53278460, 69261998, 89370320, 106556920, 138523996, 173154995, 213113840, 277047992, 346309990, 554095984, 692619980, 1385239960, 2770479920]

約数ペア:

[(1, 2770479920), (2, 1385239960), (4, 692619980), (5, 554095984), (8, 346309990), (10, 277047992), (13, 213113840), (16, 173154995), (20, 138523996), (26, 106556920), (31, 89370320), (40, 69261998), (52, 53278460), (62, 44685160), (65, 42622768), (80, 34630999), (104, 26639230), (124, 22342580), (130, 21311384), (155, 17874064), (208, 13319615), (248, 11171290), (260, 10655692), (310, 8937032), (403, 6874640), (496, 5585645), (520, 5327846), (620, 4468516), (806, 3437320), (1040, 2663923), (1240, 2234258), (1612, 1718660), (2015, 1374928), (2480, 1117129), (3224, 859330), (4030, 687464), (6448, 429665), (8060, 343732), (16120, 171866), (32240, 85933)]