40260816

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 120706560

約数和(自身を除く): 80445744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 36, 48, 58, 62, 72, 87, 93, 116, 124, 144, 174, 186, 232, 248, 261, 279, 311, 348, 372, 464, 496, 522, 558, 622, 696, 744, 899, 933, 1044, 1116, 1244, 1392, 1488, 1798, 1866, 2088, 2232, 2488, 2697, 2799, 3596, 3732, 4176, 4464, 4976, 5394, 5598, 7192, 7464, 8091, 9019, 9641, 10788, 11196, 14384, 14928, 16182, 18038, 19282, 21576, 22392, 27057, 28923, 32364, 36076, 38564, 43152, 44784, 54114, 57846, 64728, 72152, 77128, 81171, 86769, 108228, 115692, 129456, 144304, 154256, 162342, 173538, 216456, 231384, 279589, 324684, 347076, 432912, 462768, 559178, 649368, 694152, 838767, 1118356, 1298736, 1388304, 1677534, 2236712, 2516301, 3355068, 4473424, 5032602, 6710136, 10065204, 13420272, 20130408, 40260816]

約数ペア:

[(1, 40260816), (2, 20130408), (3, 13420272), (4, 10065204), (6, 6710136), (8, 5032602), (9, 4473424), (12, 3355068), (16, 2516301), (18, 2236712), (24, 1677534), (29, 1388304), (31, 1298736), (36, 1118356), (48, 838767), (58, 694152), (62, 649368), (72, 559178), (87, 462768), (93, 432912), (116, 347076), (124, 324684), (144, 279589), (174, 231384), (186, 216456), (232, 173538), (248, 162342), (261, 154256), (279, 144304), (311, 129456), (348, 115692), (372, 108228), (464, 86769), (496, 81171), (522, 77128), (558, 72152), (622, 64728), (696, 57846), (744, 54114), (899, 44784), (933, 43152), (1044, 38564), (1116, 36076), (1244, 32364), (1392, 28923), (1488, 27057), (1798, 22392), (1866, 21576), (2088, 19282), (2232, 18038), (2488, 16182), (2697, 14928), (2799, 14384), (3596, 11196), (3732, 10788), (4176, 9641), (4464, 9019), (4976, 8091), (5394, 7464), (5598, 7192)]