140299960

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{4231}}^1$

素因数の和:5071

約数の個数: 32

約数和(自身を含む): 316130400

約数和(自身を除く): 175830440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 3316, 4145, 4231, 6632, 8290, 8462, 16580, 16924, 21155, 33160, 33848, 42310, 84620, 169240, 3507499, 7014998, 14029996, 17537495, 28059992, 35074990, 70149980, 140299960]

約数ペア:

[(1, 140299960), (2, 70149980), (4, 35074990), (5, 28059992), (8, 17537495), (10, 14029996), (20, 7014998), (40, 3507499), (829, 169240), (1658, 84620), (3316, 42310), (4145, 33848), (4231, 33160), (6632, 21155), (8290, 16924), (8462, 16580)]