20183770160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{42169}}^1$

素因数の和:42406

約数の個数: 80

約数和(自身を含む): 48693192960

約数和(自身を除く): 28509422800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 193, 248, 310, 386, 496, 620, 772, 965, 1240, 1544, 1930, 2480, 3088, 3860, 5983, 7720, 11966, 15440, 23932, 29915, 42169, 47864, 59830, 84338, 95728, 119660, 168676, 210845, 239320, 337352, 421690, 478640, 674704, 843380, 1307239, 1686760, 2614478, 3373520, 5228956, 6536195, 8138617, 10457912, 13072390, 16277234, 20915824, 26144780, 32554468, 40693085, 52289560, 65108936, 81386170, 104579120, 130217872, 162772340, 252297127, 325544680, 504594254, 651089360, 1009188508, 1261485635, 2018377016, 2522971270, 4036754032, 5045942540, 10091885080, 20183770160]

約数ペア:

[(1, 20183770160), (2, 10091885080), (4, 5045942540), (5, 4036754032), (8, 2522971270), (10, 2018377016), (16, 1261485635), (20, 1009188508), (31, 651089360), (40, 504594254), (62, 325544680), (80, 252297127), (124, 162772340), (155, 130217872), (193, 104579120), (248, 81386170), (310, 65108936), (386, 52289560), (496, 40693085), (620, 32554468), (772, 26144780), (965, 20915824), (1240, 16277234), (1544, 13072390), (1930, 10457912), (2480, 8138617), (3088, 6536195), (3860, 5228956), (5983, 3373520), (7720, 2614478), (11966, 1686760), (15440, 1307239), (23932, 843380), (29915, 674704), (42169, 478640), (47864, 421690), (59830, 337352), (84338, 239320), (95728, 210845), (119660, 168676)]