27431055860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{479}}^1\times {\mathrm{16943}}^1$

素因数の和:17457

約数の個数: 72

約数和(自身を含む): 62511160320

約数和(自身を除く): 35080104460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 479, 676, 845, 958, 1690, 1916, 2395, 3380, 4790, 6227, 9580, 12454, 16943, 24908, 31135, 33886, 62270, 67772, 80951, 84715, 124540, 161902, 169430, 220259, 323804, 338860, 404755, 440518, 809510, 881036, 1101295, 1619020, 2202590, 2863367, 4405180, 5726734, 8115697, 11453468, 14316835, 16231394, 28633670, 32462788, 40578485, 57267340, 81156970, 105504061, 162313940, 211008122, 422016244, 527520305, 1055040610, 1371552793, 2110081220, 2743105586, 5486211172, 6857763965, 13715527930, 27431055860]

約数ペア:

[(1, 27431055860), (2, 13715527930), (4, 6857763965), (5, 5486211172), (10, 2743105586), (13, 2110081220), (20, 1371552793), (26, 1055040610), (52, 527520305), (65, 422016244), (130, 211008122), (169, 162313940), (260, 105504061), (338, 81156970), (479, 57267340), (676, 40578485), (845, 32462788), (958, 28633670), (1690, 16231394), (1916, 14316835), (2395, 11453468), (3380, 8115697), (4790, 5726734), (6227, 4405180), (9580, 2863367), (12454, 2202590), (16943, 1619020), (24908, 1101295), (31135, 881036), (33886, 809510), (62270, 440518), (67772, 404755), (80951, 338860), (84715, 323804), (124540, 220259), (161902, 169430)]