55397560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2056

約数の個数: 64

約数和(自身を含む): 135263520

約数和(自身を除く): 79865960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 1987, 2788, 3485, 3974, 5576, 6970, 7948, 9935, 13940, 15896, 19870, 27880, 33779, 39740, 67558, 79480, 81467, 135116, 162934, 168895, 270232, 325868, 337790, 407335, 651736, 675580, 814670, 1351160, 1384939, 1629340, 2769878, 3258680, 5539756, 6924695, 11079512, 13849390, 27698780, 55397560]

約数ペア:

[(1, 55397560), (2, 27698780), (4, 13849390), (5, 11079512), (8, 6924695), (10, 5539756), (17, 3258680), (20, 2769878), (34, 1629340), (40, 1384939), (41, 1351160), (68, 814670), (82, 675580), (85, 651736), (136, 407335), (164, 337790), (170, 325868), (205, 270232), (328, 168895), (340, 162934), (410, 135116), (680, 81467), (697, 79480), (820, 67558), (1394, 39740), (1640, 33779), (1987, 27880), (2788, 19870), (3485, 15896), (3974, 13940), (5576, 9935), (6970, 7948)]