53180920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7867}}^1$

素因数の和:7904

約数の個数: 48

約数和(自身を含む): 129585960

約数和(自身を除く): 76405040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 7867, 15734, 31468, 39335, 62936, 78670, 102271, 157340, 204542, 314680, 409084, 511355, 818168, 1022710, 1329523, 2045420, 2659046, 4090840, 5318092, 6647615, 10636184, 13295230, 26590460, 53180920]

約数ペア:

[(1, 53180920), (2, 26590460), (4, 13295230), (5, 10636184), (8, 6647615), (10, 5318092), (13, 4090840), (20, 2659046), (26, 2045420), (40, 1329523), (52, 1022710), (65, 818168), (104, 511355), (130, 409084), (169, 314680), (260, 204542), (338, 157340), (520, 102271), (676, 78670), (845, 62936), (1352, 39335), (1690, 31468), (3380, 15734), (6760, 7867)]