85556680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1607}}^1$

素因数の和:1651

約数の個数: 64

約数和(自身を含む): 211870080

約数和(自身を除く): 126313400

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, 1331, 1607, 2420, 2662, 3214, 4840, 5324, 6428, 6655, 8035, 10648, 12856, 13310, 16070, 17677, 26620, 32140, 35354, 53240, 64280, 70708, 88385, 141416, 176770, 194447, 353540, 388894, 707080, 777788, 972235, 1555576, 1944470, 2138917, 3888940, 4277834, 7777880, 8555668, 10694585, 17111336, 21389170, 42778340, 85556680]

約数ペア:

[(1, 85556680), (2, 42778340), (4, 21389170), (5, 17111336), (8, 10694585), (10, 8555668), (11, 7777880), (20, 4277834), (22, 3888940), (40, 2138917), (44, 1944470), (55, 1555576), (88, 972235), (110, 777788), (121, 707080), (220, 388894), (242, 353540), (440, 194447), (484, 176770), (605, 141416), (968, 88385), (1210, 70708), (1331, 64280), (1607, 53240), (2420, 35354), (2662, 32140), (3214, 26620), (4840, 17677), (5324, 16070), (6428, 13310), (6655, 12856), (8035, 10648)]