25578875

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 40255488

約数和(自身を除く): 14676613

約数列:

[1, 5, 7, 23, 25, 31, 35, 41, 115, 125, 155, 161, 175, 205, 217, 287, 575, 713, 775, 805, 875, 943, 1025, 1085, 1271, 1435, 2875, 3565, 3875, 4025, 4715, 4991, 5125, 5425, 6355, 6601, 7175, 8897, 17825, 20125, 23575, 24955, 27125, 29233, 31775, 33005, 35875, 44485, 89125, 117875, 124775, 146165, 158875, 165025, 204631, 222425, 623875, 730825, 825125, 1023155, 1112125, 3654125, 5115775, 25578875]

約数ペア:

[(1, 25578875), (5, 5115775), (7, 3654125), (23, 1112125), (25, 1023155), (31, 825125), (35, 730825), (41, 623875), (115, 222425), (125, 204631), (155, 165025), (161, 158875), (175, 146165), (205, 124775), (217, 117875), (287, 89125), (575, 44485), (713, 35875), (775, 33005), (805, 31775), (875, 29233), (943, 27125), (1025, 24955), (1085, 23575), (1271, 20125), (1435, 17825), (2875, 8897), (3565, 7175), (3875, 6601), (4025, 6355), (4715, 5425), (4991, 5125)]