2179777640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{9433}}^1$

素因数の和:9606

約数の個数: 64

約数和(自身を含む): 5043416400

約数和(自身を除く): 2863638760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 424, 436, 530, 545, 872, 1060, 1090, 2120, 2180, 4360, 5777, 9433, 11554, 18866, 23108, 28885, 37732, 46216, 47165, 57770, 75464, 94330, 115540, 188660, 231080, 377320, 499949, 999898, 1028197, 1999796, 2056394, 2499745, 3999592, 4112788, 4999490, 5140985, 8225576, 9998980, 10281970, 19997960, 20563940, 41127880, 54494441, 108988882, 217977764, 272472205, 435955528, 544944410, 1089888820, 2179777640]

約数ペア:

[(1, 2179777640), (2, 1089888820), (4, 544944410), (5, 435955528), (8, 272472205), (10, 217977764), (20, 108988882), (40, 54494441), (53, 41127880), (106, 20563940), (109, 19997960), (212, 10281970), (218, 9998980), (265, 8225576), (424, 5140985), (436, 4999490), (530, 4112788), (545, 3999592), (872, 2499745), (1060, 2056394), (1090, 1999796), (2120, 1028197), (2180, 999898), (4360, 499949), (5777, 377320), (9433, 231080), (11554, 188660), (18866, 115540), (23108, 94330), (28885, 75464), (37732, 57770), (46216, 47165)]