12559960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 33361920

約数和(自身を除く): 20801960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1447, 1736, 2170, 2894, 4340, 5788, 7235, 8680, 10129, 11576, 14470, 20258, 28940, 40516, 44857, 50645, 57880, 81032, 89714, 101290, 179428, 202580, 224285, 313999, 358856, 405160, 448570, 627998, 897140, 1255996, 1569995, 1794280, 2511992, 3139990, 6279980, 12559960]

約数ペア:

[(1, 12559960), (2, 6279980), (4, 3139990), (5, 2511992), (7, 1794280), (8, 1569995), (10, 1255996), (14, 897140), (20, 627998), (28, 448570), (31, 405160), (35, 358856), (40, 313999), (56, 224285), (62, 202580), (70, 179428), (124, 101290), (140, 89714), (155, 81032), (217, 57880), (248, 50645), (280, 44857), (310, 40516), (434, 28940), (620, 20258), (868, 14470), (1085, 11576), (1240, 10129), (1447, 8680), (1736, 7235), (2170, 5788), (2894, 4340)]