55403240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 132192000

約数和(自身を除く): 76788760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 271, 380, 538, 542, 760, 1076, 1084, 1345, 1355, 2152, 2168, 2690, 2710, 5111, 5149, 5380, 5420, 10222, 10298, 10760, 10840, 20444, 20596, 25555, 25745, 40888, 41192, 51110, 51490, 72899, 102220, 102980, 145798, 204440, 205960, 291596, 364495, 583192, 728990, 1385081, 1457980, 2770162, 2915960, 5540324, 6925405, 11080648, 13850810, 27701620, 55403240]

約数ペア:

[(1, 55403240), (2, 27701620), (4, 13850810), (5, 11080648), (8, 6925405), (10, 5540324), (19, 2915960), (20, 2770162), (38, 1457980), (40, 1385081), (76, 728990), (95, 583192), (152, 364495), (190, 291596), (269, 205960), (271, 204440), (380, 145798), (538, 102980), (542, 102220), (760, 72899), (1076, 51490), (1084, 51110), (1345, 41192), (1355, 40888), (2152, 25745), (2168, 25555), (2690, 20596), (2710, 20444), (5111, 10840), (5149, 10760), (5380, 10298), (5420, 10222)]