51776440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 120748320

約数和(自身を除く): 68971880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 241, 262, 328, 410, 482, 524, 655, 820, 964, 1048, 1205, 1310, 1640, 1928, 2410, 2620, 4820, 5240, 5371, 9640, 9881, 10742, 19762, 21484, 26855, 31571, 39524, 42968, 49405, 53710, 63142, 79048, 98810, 107420, 126284, 157855, 197620, 214840, 252568, 315710, 395240, 631420, 1262840, 1294411, 2588822, 5177644, 6472055, 10355288, 12944110, 25888220, 51776440]

約数ペア:

[(1, 51776440), (2, 25888220), (4, 12944110), (5, 10355288), (8, 6472055), (10, 5177644), (20, 2588822), (40, 1294411), (41, 1262840), (82, 631420), (131, 395240), (164, 315710), (205, 252568), (241, 214840), (262, 197620), (328, 157855), (410, 126284), (482, 107420), (524, 98810), (655, 79048), (820, 63142), (964, 53710), (1048, 49405), (1205, 42968), (1310, 39524), (1640, 31571), (1928, 26855), (2410, 21484), (2620, 19762), (4820, 10742), (5240, 9881), (5371, 9640)]