8277980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 18670176

約数和(自身を除く): 10392196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 251, 340, 388, 485, 502, 970, 1004, 1255, 1649, 1940, 2510, 3298, 4267, 5020, 6596, 8245, 8534, 16490, 17068, 21335, 24347, 32980, 42670, 48694, 85340, 97388, 121735, 243470, 413899, 486940, 827798, 1655596, 2069495, 4138990, 8277980]

約数ペア:

[(1, 8277980), (2, 4138990), (4, 2069495), (5, 1655596), (10, 827798), (17, 486940), (20, 413899), (34, 243470), (68, 121735), (85, 97388), (97, 85340), (170, 48694), (194, 42670), (251, 32980), (340, 24347), (388, 21335), (485, 17068), (502, 16490), (970, 8534), (1004, 8245), (1255, 6596), (1649, 5020), (1940, 4267), (2510, 3298)]