85851880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1361}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 205934400

約数和(自身を除く): 120082520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 664, 760, 830, 1361, 1577, 1660, 2722, 3154, 3320, 5444, 6308, 6805, 7885, 10888, 12616, 13610, 15770, 25859, 27220, 31540, 51718, 54440, 63080, 103436, 112963, 129295, 206872, 225926, 258590, 451852, 517180, 564815, 903704, 1034360, 1129630, 2146297, 2259260, 4292594, 4518520, 8585188, 10731485, 17170376, 21462970, 42925940, 85851880]

約数ペア:

[(1, 85851880), (2, 42925940), (4, 21462970), (5, 17170376), (8, 10731485), (10, 8585188), (19, 4518520), (20, 4292594), (38, 2259260), (40, 2146297), (76, 1129630), (83, 1034360), (95, 903704), (152, 564815), (166, 517180), (190, 451852), (332, 258590), (380, 225926), (415, 206872), (664, 129295), (760, 112963), (830, 103436), (1361, 63080), (1577, 54440), (1660, 51718), (2722, 31540), (3154, 27220), (3320, 25859), (5444, 15770), (6308, 13610), (6805, 12616), (7885, 10888)]