2021536040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{8447}}^1$

素因数の和:8682

約数の個数: 64

約数和(自身を含む): 4720066560

約数和(自身を除く): 2698530520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 193, 248, 310, 386, 620, 772, 965, 1240, 1544, 1930, 3860, 5983, 7720, 8447, 11966, 16894, 23932, 29915, 33788, 42235, 47864, 59830, 67576, 84470, 119660, 168940, 239320, 261857, 337880, 523714, 1047428, 1309285, 1630271, 2094856, 2618570, 3260542, 5237140, 6521084, 8151355, 10474280, 13042168, 16302710, 32605420, 50538401, 65210840, 101076802, 202153604, 252692005, 404307208, 505384010, 1010768020, 2021536040]

約数ペア:

[(1, 2021536040), (2, 1010768020), (4, 505384010), (5, 404307208), (8, 252692005), (10, 202153604), (20, 101076802), (31, 65210840), (40, 50538401), (62, 32605420), (124, 16302710), (155, 13042168), (193, 10474280), (248, 8151355), (310, 6521084), (386, 5237140), (620, 3260542), (772, 2618570), (965, 2094856), (1240, 1630271), (1544, 1309285), (1930, 1047428), (3860, 523714), (5983, 337880), (7720, 261857), (8447, 239320), (11966, 168940), (16894, 119660), (23932, 84470), (29915, 67576), (33788, 59830), (42235, 47864)]