43287920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 109680480

約数和(自身を除く): 66392560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 389, 428, 520, 535, 778, 856, 1040, 1070, 1391, 1556, 1712, 1945, 2140, 2782, 3112, 3890, 4280, 5057, 5564, 6224, 6955, 7780, 8560, 10114, 11128, 13910, 15560, 20228, 22256, 25285, 27820, 31120, 40456, 41623, 50570, 55640, 80912, 83246, 101140, 111280, 166492, 202280, 208115, 332984, 404560, 416230, 541099, 665968, 832460, 1082198, 1664920, 2164396, 2705495, 3329840, 4328792, 5410990, 8657584, 10821980, 21643960, 43287920]

約数ペア:

[(1, 43287920), (2, 21643960), (4, 10821980), (5, 8657584), (8, 5410990), (10, 4328792), (13, 3329840), (16, 2705495), (20, 2164396), (26, 1664920), (40, 1082198), (52, 832460), (65, 665968), (80, 541099), (104, 416230), (107, 404560), (130, 332984), (208, 208115), (214, 202280), (260, 166492), (389, 111280), (428, 101140), (520, 83246), (535, 80912), (778, 55640), (856, 50570), (1040, 41623), (1070, 40456), (1391, 31120), (1556, 27820), (1712, 25285), (1945, 22256), (2140, 20228), (2782, 15560), (3112, 13910), (3890, 11128), (4280, 10114), (5057, 8560), (5564, 7780), (6224, 6955)]