55972400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12721}}^1$

素因数の和:12750

約数の個数: 60

約数和(自身を含む): 146710104

約数和(自身を除く): 90737704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 12721, 25442, 50884, 63605, 101768, 127210, 139931, 203536, 254420, 279862, 318025, 508840, 559724, 636050, 699655, 1017680, 1119448, 1272100, 1399310, 2238896, 2544200, 2798620, 3498275, 5088400, 5597240, 6996550, 11194480, 13993100, 27986200, 55972400]

約数ペア:

[(1, 55972400), (2, 27986200), (4, 13993100), (5, 11194480), (8, 6996550), (10, 5597240), (11, 5088400), (16, 3498275), (20, 2798620), (22, 2544200), (25, 2238896), (40, 1399310), (44, 1272100), (50, 1119448), (55, 1017680), (80, 699655), (88, 636050), (100, 559724), (110, 508840), (176, 318025), (200, 279862), (220, 254420), (275, 203536), (400, 139931), (440, 127210), (550, 101768), (880, 63605), (1100, 50884), (2200, 25442), (4400, 12721)]