56278040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15461}}^1$

素因数の和:15492

約数の個数: 64

約数和(自身を含む): 155856960

約数和(自身を除く): 99578920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 15461, 30922, 61844, 77305, 108227, 123688, 154610, 200993, 216454, 309220, 401986, 432908, 541135, 618440, 803972, 865816, 1004965, 1082270, 1406951, 1607944, 2009930, 2164540, 2813902, 4019860, 4329080, 5627804, 7034755, 8039720, 11255608, 14069510, 28139020, 56278040]

約数ペア:

[(1, 56278040), (2, 28139020), (4, 14069510), (5, 11255608), (7, 8039720), (8, 7034755), (10, 5627804), (13, 4329080), (14, 4019860), (20, 2813902), (26, 2164540), (28, 2009930), (35, 1607944), (40, 1406951), (52, 1082270), (56, 1004965), (65, 865816), (70, 803972), (91, 618440), (104, 541135), (130, 432908), (140, 401986), (182, 309220), (260, 216454), (280, 200993), (364, 154610), (455, 123688), (520, 108227), (728, 77305), (910, 61844), (1820, 30922), (3640, 15461)]