13118980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1129}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 31893120

約数和(自身を除く): 18774140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1129, 1162, 1660, 2258, 2324, 2905, 4516, 5645, 5810, 7903, 11290, 11620, 15806, 22580, 31612, 39515, 79030, 93707, 158060, 187414, 374828, 468535, 655949, 937070, 1311898, 1874140, 2623796, 3279745, 6559490, 13118980]

約数ペア:

[(1, 13118980), (2, 6559490), (4, 3279745), (5, 2623796), (7, 1874140), (10, 1311898), (14, 937070), (20, 655949), (28, 468535), (35, 374828), (70, 187414), (83, 158060), (140, 93707), (166, 79030), (332, 39515), (415, 31612), (581, 22580), (830, 15806), (1129, 11620), (1162, 11290), (1660, 7903), (2258, 5810), (2324, 5645), (2905, 4516)]