80451207920

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1259}}^1\times {\mathrm{4783}}^1$

素因数の和:6222

約数の個数: 80

約数和(自身を含む): 188357944320

約数和(自身を除く): 107906736400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1259, 1336, 1670, 2518, 2672, 3340, 4783, 5036, 6295, 6680, 9566, 10072, 12590, 13360, 19132, 20144, 23915, 25180, 38264, 47830, 50360, 76528, 95660, 100720, 191320, 210253, 382640, 420506, 798761, 841012, 1051265, 1597522, 1682024, 2102530, 3195044, 3364048, 3993805, 4205060, 6021797, 6390088, 7987610, 8410120, 12043594, 12780176, 15975220, 16820240, 24087188, 30108985, 31950440, 48174376, 60217970, 63900880, 96348752, 120435940, 240871880, 481743760, 1005640099, 2011280198, 4022560396, 5028200495, 8045120792, 10056400990, 16090241584, 20112801980, 40225603960, 80451207920]

約数ペア:

[(1, 80451207920), (2, 40225603960), (4, 20112801980), (5, 16090241584), (8, 10056400990), (10, 8045120792), (16, 5028200495), (20, 4022560396), (40, 2011280198), (80, 1005640099), (167, 481743760), (334, 240871880), (668, 120435940), (835, 96348752), (1259, 63900880), (1336, 60217970), (1670, 48174376), (2518, 31950440), (2672, 30108985), (3340, 24087188), (4783, 16820240), (5036, 15975220), (6295, 12780176), (6680, 12043594), (9566, 8410120), (10072, 7987610), (12590, 6390088), (13360, 6021797), (19132, 4205060), (20144, 3993805), (23915, 3364048), (25180, 3195044), (38264, 2102530), (47830, 1682024), (50360, 1597522), (76528, 1051265), (95660, 841012), (100720, 798761), (191320, 420506), (210253, 382640)]