80941420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:583

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 128077460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 71, 85, 119, 140, 142, 170, 238, 284, 340, 355, 476, 479, 497, 595, 710, 958, 994, 1190, 1207, 1420, 1916, 1988, 2380, 2395, 2414, 2485, 3353, 4790, 4828, 4970, 6035, 6706, 8143, 8449, 9580, 9940, 12070, 13412, 16286, 16765, 16898, 24140, 32572, 33530, 33796, 34009, 40715, 42245, 57001, 67060, 68018, 81430, 84490, 114002, 136036, 162860, 168980, 170045, 228004, 238063, 285005, 340090, 476126, 570010, 578153, 680180, 952252, 1140020, 1156306, 1190315, 2312612, 2380630, 2890765, 4047071, 4761260, 5781530, 8094142, 11563060, 16188284, 20235355, 40470710, 80941420]

約数ペア:

[(1, 80941420), (2, 40470710), (4, 20235355), (5, 16188284), (7, 11563060), (10, 8094142), (14, 5781530), (17, 4761260), (20, 4047071), (28, 2890765), (34, 2380630), (35, 2312612), (68, 1190315), (70, 1156306), (71, 1140020), (85, 952252), (119, 680180), (140, 578153), (142, 570010), (170, 476126), (238, 340090), (284, 285005), (340, 238063), (355, 228004), (476, 170045), (479, 168980), (497, 162860), (595, 136036), (710, 114002), (958, 84490), (994, 81430), (1190, 68018), (1207, 67060), (1420, 57001), (1916, 42245), (1988, 40715), (2380, 34009), (2395, 33796), (2414, 33530), (2485, 32572), (3353, 24140), (4790, 16898), (4828, 16765), (4970, 16286), (6035, 13412), (6706, 12070), (8143, 9940), (8449, 9580)]