220182920

素因数分解:

$2^3\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{3643}}^1$

素因数の和:5165

約数の個数: 32

約数和(自身を含む): 495875520

約数和(自身を除く): 275692600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1511, 3022, 3643, 6044, 7286, 7555, 12088, 14572, 15110, 18215, 29144, 30220, 36430, 60440, 72860, 145720, 5504573, 11009146, 22018292, 27522865, 44036584, 55045730, 110091460, 220182920]

約数ペア:

[(1, 220182920), (2, 110091460), (4, 55045730), (5, 44036584), (8, 27522865), (10, 22018292), (20, 11009146), (40, 5504573), (1511, 145720), (3022, 72860), (3643, 60440), (6044, 36430), (7286, 30220), (7555, 29144), (12088, 18215), (14572, 15110)]