51890020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4073}}^1$

素因数の和:4109

約数の個数: 72

約数和(自身を含む): 136544184

約数和(自身を除く): 84654164

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 4073, 6370, 8146, 12740, 16292, 20365, 28511, 40730, 52949, 57022, 81460, 105898, 114044, 142555, 199577, 211796, 264745, 285110, 370643, 399154, 529490, 570220, 741286, 798308, 997885, 1058980, 1482572, 1853215, 1995770, 2594501, 3706430, 3991540, 5189002, 7412860, 10378004, 12972505, 25945010, 51890020]

約数ペア:

[(1, 51890020), (2, 25945010), (4, 12972505), (5, 10378004), (7, 7412860), (10, 5189002), (13, 3991540), (14, 3706430), (20, 2594501), (26, 1995770), (28, 1853215), (35, 1482572), (49, 1058980), (52, 997885), (65, 798308), (70, 741286), (91, 570220), (98, 529490), (130, 399154), (140, 370643), (182, 285110), (196, 264745), (245, 211796), (260, 199577), (364, 142555), (455, 114044), (490, 105898), (637, 81460), (910, 57022), (980, 52949), (1274, 40730), (1820, 28511), (2548, 20365), (3185, 16292), (4073, 12740), (6370, 8146)]