78896840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16301}}^1$

素因数の和:16334

約数の個数: 48

約数和(自身を含む): 195134940

約数和(自身を除く): 116238100

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 16301, 32602, 65204, 81505, 130408, 163010, 179311, 326020, 358622, 652040, 717244, 896555, 1434488, 1793110, 1972421, 3586220, 3944842, 7172440, 7889684, 9862105, 15779368, 19724210, 39448420, 78896840]

約数ペア:

[(1, 78896840), (2, 39448420), (4, 19724210), (5, 15779368), (8, 9862105), (10, 7889684), (11, 7172440), (20, 3944842), (22, 3586220), (40, 1972421), (44, 1793110), (55, 1434488), (88, 896555), (110, 717244), (121, 652040), (220, 358622), (242, 326020), (440, 179311), (484, 163010), (605, 130408), (968, 81505), (1210, 65204), (2420, 32602), (4840, 16301)]