80277964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 160461280

約数和(自身を除く): 80183316

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 193, 247, 386, 421, 494, 772, 842, 988, 1684, 2509, 3667, 5018, 5473, 7334, 7999, 10036, 10946, 14668, 15998, 21892, 31996, 47671, 81253, 95342, 103987, 162506, 190684, 207974, 325012, 415948, 1056289, 1543807, 2112578, 3087614, 4225156, 6175228, 20069491, 40138982, 80277964]

約数ペア:

[(1, 80277964), (2, 40138982), (4, 20069491), (13, 6175228), (19, 4225156), (26, 3087614), (38, 2112578), (52, 1543807), (76, 1056289), (193, 415948), (247, 325012), (386, 207974), (421, 190684), (494, 162506), (772, 103987), (842, 95342), (988, 81253), (1684, 47671), (2509, 31996), (3667, 21892), (5018, 15998), (5473, 14668), (7334, 10946), (7999, 10036)]