27599980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 32718740

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 479, 670, 860, 958, 1340, 1916, 2395, 2881, 4790, 5762, 9580, 11524, 14405, 20597, 28810, 32093, 41194, 57620, 64186, 82388, 102985, 128372, 160465, 205970, 320930, 411940, 641860, 1379999, 2759998, 5519996, 6899995, 13799990, 27599980]

約数ペア:

[(1, 27599980), (2, 13799990), (4, 6899995), (5, 5519996), (10, 2759998), (20, 1379999), (43, 641860), (67, 411940), (86, 320930), (134, 205970), (172, 160465), (215, 128372), (268, 102985), (335, 82388), (430, 64186), (479, 57620), (670, 41194), (860, 32093), (958, 28810), (1340, 20597), (1916, 14405), (2395, 11524), (2881, 9580), (4790, 5762)]