40920775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 63170560

約数和(自身を除く): 22249785

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 133, 155, 175, 217, 397, 475, 589, 665, 775, 1085, 1985, 2779, 2945, 3325, 4123, 5425, 7543, 9925, 12307, 13895, 14725, 20615, 37715, 52801, 61535, 69475, 86149, 103075, 188575, 233833, 264005, 307675, 430745, 1169165, 1320025, 1636831, 2153725, 5845825, 8184155, 40920775]

約数ペア:

[(1, 40920775), (5, 8184155), (7, 5845825), (19, 2153725), (25, 1636831), (31, 1320025), (35, 1169165), (95, 430745), (133, 307675), (155, 264005), (175, 233833), (217, 188575), (397, 103075), (475, 86149), (589, 69475), (665, 61535), (775, 52801), (1085, 37715), (1985, 20615), (2779, 14725), (2945, 13895), (3325, 12307), (4123, 9925), (5425, 7543)]