209516560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5807}}^1$

素因数の和:5872

約数の個数: 80

約数和(自身を含む): 544465152

約数和(自身を除く): 334948592

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2255, 3280, 3608, 4510, 5807, 7216, 9020, 11614, 18040, 23228, 29035, 36080, 46456, 58070, 63877, 92912, 116140, 127754, 232280, 238087, 255508, 319385, 464560, 476174, 511016, 638770, 952348, 1022032, 1190435, 1277540, 1904696, 2380870, 2555080, 2618957, 3809392, 4761740, 5110160, 5237914, 9523480, 10475828, 13094785, 19046960, 20951656, 26189570, 41903312, 52379140, 104758280, 209516560]

約数ペア:

[(1, 209516560), (2, 104758280), (4, 52379140), (5, 41903312), (8, 26189570), (10, 20951656), (11, 19046960), (16, 13094785), (20, 10475828), (22, 9523480), (40, 5237914), (41, 5110160), (44, 4761740), (55, 3809392), (80, 2618957), (82, 2555080), (88, 2380870), (110, 1904696), (164, 1277540), (176, 1190435), (205, 1022032), (220, 952348), (328, 638770), (410, 511016), (440, 476174), (451, 464560), (656, 319385), (820, 255508), (880, 238087), (902, 232280), (1640, 127754), (1804, 116140), (2255, 92912), (3280, 63877), (3608, 58070), (4510, 46456), (5807, 36080), (7216, 29035), (9020, 23228), (11614, 18040)]