87809920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12473}}^1$

素因数の和:12503

約数の個数: 64

約数和(自身を含む): 229022640

約数和(自身を除く): 141212720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 12473, 24946, 49892, 62365, 99784, 124730, 137203, 199568, 249460, 274406, 399136, 498920, 548812, 686015, 798272, 997840, 1097624, 1372030, 1596544, 1995680, 2195248, 2744060, 3991360, 4390496, 5488120, 7982720, 8780992, 10976240, 17561984, 21952480, 43904960, 87809920]

約数ペア:

[(1, 87809920), (2, 43904960), (4, 21952480), (5, 17561984), (8, 10976240), (10, 8780992), (11, 7982720), (16, 5488120), (20, 4390496), (22, 3991360), (32, 2744060), (40, 2195248), (44, 1995680), (55, 1596544), (64, 1372030), (80, 1097624), (88, 997840), (110, 798272), (128, 686015), (160, 548812), (176, 498920), (220, 399136), (320, 274406), (352, 249460), (440, 199568), (640, 137203), (704, 124730), (880, 99784), (1408, 62365), (1760, 49892), (3520, 24946), (7040, 12473)]