57278440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 137712960

約数和(自身を除く): 80434520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 340, 524, 643, 655, 680, 1048, 1286, 1310, 2227, 2572, 2620, 3215, 4454, 5144, 5240, 6430, 8908, 10931, 11135, 12860, 17816, 21862, 22270, 25720, 43724, 44540, 54655, 84233, 87448, 89080, 109310, 168466, 218620, 336932, 421165, 437240, 673864, 842330, 1431961, 1684660, 2863922, 3369320, 5727844, 7159805, 11455688, 14319610, 28639220, 57278440]

約数ペア:

[(1, 57278440), (2, 28639220), (4, 14319610), (5, 11455688), (8, 7159805), (10, 5727844), (17, 3369320), (20, 2863922), (34, 1684660), (40, 1431961), (68, 842330), (85, 673864), (131, 437240), (136, 421165), (170, 336932), (262, 218620), (340, 168466), (524, 109310), (643, 89080), (655, 87448), (680, 84233), (1048, 54655), (1286, 44540), (1310, 43724), (2227, 25720), (2572, 22270), (2620, 21862), (3215, 17816), (4454, 12860), (5144, 11135), (5240, 10931), (6430, 8908)]